Add keyboard access to some menus

There are no keyboard acces to the following actions/menus:

• "past courses" dropdown menu. (User dashboard)
• unlinked course activities and downloadable documents. (Course Contents tab)
• radio buttons for Question 2 or dropdown menus for Question 4. (Fun quiz: How's your Social media?)
• the banner or main content on the page. (Quiz review)
• the "show more" chevron button in the description box at the top of the main content area. (Forum discussion)
• the button that opens and closes the Advanced section. (Post reply)
  the main content area. Only able to access the top banner and the footer navigation. (Messages main screen)
• the calendar days. (Calendar month view)
• the "type of event" button or "show more". (Calendar new event)
• There is no way to edit the date via the keyboard and thus is not possible to complete the form (Calendar new event) (ANDROID)