—Maria is wanted on the telephone. Where is she?  —She _________ the library. You can find her there。

I had a bad cold. The doctor asked me ______ in bed for a good rest.

She can imagine           in Shanghai.

 My father wants        the basketball game. 

— Everyone must __________ the security check (安检) before getting on the plane at the airport.— Yes. It’s necessary to ensure the passengers’ safety.