What _________ to the building—It _________ when all the people were sleeping.

23．—- He is so unhappy．What let him down? —- It’s his plans．You can’t imagine what it’s like to feel that all your plans for the future have_____．

Tom as well as his classmates __________ a song when the teacher came into the classroom

Is there any possibility______you could pick me upat the airport——No problem.

____ the movie star has always been the focus of much media attention, he tries to lead a normal life