diff --git a/mod/feedback/item/multichoice/lib.php b/mod/feedback/item/multichoice/lib.php
index af444d4de55b7..6239b7240c10e 100644
--- a/mod/feedback/item/multichoice/lib.php
+++ b/mod/feedback/item/multichoice/lib.php
@@ -322,6 +322,16 @@ public function complete_form_element($item, $form) {
         $separator = !empty($info->horizontal) ? ' ' : \html_writer::div('', 'w-100');
         $tmpvalue = $form->get_item_value($item) ?? 0; // Used for element defaults, so must be a valid value (not null).
 
+        // @brainite
+        foreach ($options as $k => $v) {
+            if ($v[0] === '*') {
+                $options[$k] = substr($v, 1);
+                if ($tmpvalue === 0) {
+                    $tmpvalue = $k;
+                }
+            }
+        }
+
         // Subtypes:
         // r = radio
         // c = checkbox
diff --git a/mod/feedback/item/multichoice/multichoice_form.php b/mod/feedback/item/multichoice/multichoice_form.php
index 9059ca380604f..073c66a6e7e9e 100644
--- a/mod/feedback/item/multichoice/multichoice_form.php
+++ b/mod/feedback/item/multichoice/multichoice_form.php
@@ -71,6 +71,9 @@ public function definition() {
 
         $mform->addElement('static', 'hint', '', get_string('use_one_line_for_each_value', 'feedback'));
 
+        // @brainite
+        $mform->addElement('static', 'hint', '', 'Mark default choice with * at the start of the line.');
+
         parent::definition();
         $this->set_data($item);
 
diff --git a/mod/quiz/classes/access_manager.php b/mod/quiz/classes/access_manager.php
index b7f29824eee79..d62c16f870093 100644
--- a/mod/quiz/classes/access_manager.php
+++ b/mod/quiz/classes/access_manager.php
@@ -555,7 +555,8 @@ public function make_review_link(stdClass $attempt, $nolongerused, renderer $out
         $reviewoptions = display_options::make_from_quiz(
                 $this->quizobj->get_quiz(), $when);
 
-        if (!$reviewoptions->attempt) {
+        // @brainite
+        if (!$reviewoptions->attempt || !$nolongerused->attempt) {
             return $output->no_review_message($this->quizobj->cannot_review_message($when, true, $attempt->timefinish));
 
         } else {
diff --git a/mod/quiz/classes/quiz_attempt.php b/mod/quiz/classes/quiz_attempt.php
index 8aee1b09bd4fc..4f9fa0f26c071 100644
--- a/mod/quiz/classes/quiz_attempt.php
+++ b/mod/quiz/classes/quiz_attempt.php
@@ -768,7 +768,8 @@ public function get_display_options($reviewing) {
             if (is_null($this->reviewoptions)) {
                 $this->reviewoptions = quiz_get_review_options($this->get_quiz(),
                         $this->attempt, $this->quizobj->get_context());
-                if ($this->is_own_preview()) {
+        // @brainite
+        if ($this->is_own_preview() && !($this->reviewoptions->never_preview ?? FALSE)) {
                     // It should  always be possible for a teacher to review their
                     // own preview irrespective of the review options settings.
                     $this->reviewoptions->attempt = true;
diff --git a/mod/quiz/classes/quiz_settings.php b/mod/quiz/classes/quiz_settings.php
index 7216ff69b2f77..0b7457e664a85 100644
--- a/mod/quiz/classes/quiz_settings.php
+++ b/mod/quiz/classes/quiz_settings.php
@@ -508,6 +508,12 @@ public function summary_url($attemptid) {
      * @return string an appropraite message.
      */
     public function cannot_review_message($when, $short = false, ?int $attemptsubmittime = null) {
+    // @brainite
+    if ($short) {
+      return 'Review is currently unavailable.';
+    }
+    return 'You cannot currently review this quiz. Complete the requirements and/or come back later.';
+
 
         if ($attemptsubmittime === null) {
             debugging('It is recommended that you pass $attemptsubmittime to cannot_review_message', DEBUG_DEVELOPER);
diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 43c78fc757502..b5da40e6c0585 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -1060,9 +1060,10 @@ function quiz_process_options($quiz) {
         if (empty($quiz->completionusegrade)) {
             $quiz->completionpassgrade = 0;
         }
-        if (empty($quiz->completionpassgrade)) {
-            $quiz->completionattemptsexhausted = 0;
-        }
+        // @brainite
+        // if (empty($quiz->completionpassgrade)) {
+        //     $quiz->completionattemptsexhausted = 0;
+        // }
         if (empty($quiz->completionminattemptsenabled)) {
             $quiz->completionminattempts = 0;
         }
@@ -2054,8 +2055,9 @@ function quiz_get_coursemodule_info($coursemodule) {
     if ($coursemodule->completion == COMPLETION_TRACKING_AUTOMATIC) {
         if ($quiz->completionattemptsexhausted) {
             $result->customdata['customcompletionrules']['completionpassorattemptsexhausted'] = [
-                'completionpassgrade' => $coursemodule->completionpassgrade,
-                'completionattemptsexhausted' => $quiz->completionattemptsexhausted,
+                // @brainite
+                'completionpassgrade' => 1, // $coursemodule->completionpassgrade,
+                'completionattemptsexhausted' => 1, // $quiz->completionattemptsexhausted,
             ];
         } else {
             $result->customdata['customcompletionrules']['completionpassorattemptsexhausted'] = [];
diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index d646465574247..0c3a3d7792740 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -1228,8 +1228,29 @@ function quiz_get_review_options($quiz, $attempt, $context) {
         $options->userinfoinhistory = $attempt->userid;
 
     }
+    else {
+        // @brainite
+        //
+        // If they are not complete, then disallow the preview.
+        if (!$quiz->timeclose || time() < $quiz->timeclose) {
+            global $CFG;
+            require_once($CFG->libdir . '/modinfolib.php');
+            $cm = get_coursemodule_from_instance('quiz', $quiz->id);
+            $cm_info = \cm_info::create($cm);
+            if (isset($cm_info->customdata['customcompletionrules'])
+                && isset($cm_info->customdata['customcompletionrules']['completionpassorattemptsexhausted'])
+                && !empty($cm_info->customdata['customcompletionrules']['completionpassorattemptsexhausted'])) {
+                $completioninfo = new \completion_info($cm_info->get_course());
+                $customcompletion = new \mod_quiz\completion\custom_completion($cm_info, $attempt->userid, $completioninfo->get_core_completion_state($cm_info, $attempt->userid));
+                if ($customcompletion->get_state('completionpassorattemptsexhausted') === COMPLETION_INCOMPLETE) {
+                    $options->attempt = question_display_options::HIDDEN;
+                    $options->never_preview = TRUE;
+                }
+            }
+        }
+  }
 
-    return $options;
+  return $options;
 }
 
 /**
diff --git a/mod/quiz/mod_form.php b/mod/quiz/mod_form.php
index 1829badd4ba1c..0a9570ef5e543 100644
--- a/mod/quiz/mod_form.php
+++ b/mod/quiz/mod_form.php
@@ -672,8 +672,9 @@ public function add_completiongrade_rules(): array {
             ['group' => 'cattempts', 'parentclass' => 'ms-4']
         );
         $completionpassgradeel = 'completionpassgrade' . $suffix;
-        $mform->hideIf($completionattemptsexhaustedel, $completionpassgradeel, 'notchecked');
-        $mform->hideIf($completionattemptsexhaustedel, $completionpassgradeel, 'notchecked');
+        // @brainite
+        // $mform->hideIf($completionattemptsexhaustedel, $completionpassgradeel, 'notchecked');
+        // $mform->hideIf($completionattemptsexhaustedel, $completionpassgradeel, 'notchecked');
 
         return [$completionattemptsexhaustedel];
     }