Our teacher asked us ______ the window closed. It was a little hot in the room.
While she_____ on the phone, a man walked into her room.
— Where is the post office? — It’s _____ the hospital.
— You went to town last month, What do you think of it? — Terrible . I _____ go there _____.
If there are ____trees, the air in our city will be ____cleaner.
Before the police , the alien left the shop .