Do you know the boy _____ father is a bus driver?—Yes, he is my friend.[ ]

How long ______ here? －Ten minutes. Tim ______ here with me.

All the students in Class One went to the cinema ________ Li Ping. Why? —Because he had a stomachache. [ ]

We should return the books to the library _______ time.[ ]

I think I will be a college student ______ five years. [ ]