Everyone must stay at home_____the weather gets good.
Mr. Smith didn’t tell us ______. A. where he livesB. where he livedC. where did he live
—How many people did you see in the meeting room? — ______. A. Nothing B. No one C. None
— Your bike is very beautiful. How long ____you _____it? — Just two weeks. A. have; bought B. did; buyC. have; had
—Look! What a nice classroom! — Yes, it ________ every day. A. is cleaningB. has cleaned C. is cleaned
—It smells terrible. What has happened here? —Look, there is a chemical factory ____waste water___ the river. A. pour; intoB. pouring; intoC. poured; to