What do you think of your parents? —They always let me do ________ I think I should do.

Did you go to the open-air concert?— No. We ____. but we spent too much time shopping. [ ]

The student who was caught ______ in the exam has been removed from school. [ ]

Kelly Clarkson is so popular among young people _____ her beautiful voice.

Microblog is a platform ________ people can express their thoughts and communicate with each other by sending posts.