They didn't go to bed_____ the work was finished.
A. when B. while C. until D. after
一______ is your father?
— A bank clerk. He works in a bank near my home.
A. Where B. How C. What D. Which
______ went hiking last weekend because of the bad weather.
A. Someone B. No one C. Everyone D. Nothing
—Must I wait for you here?
—No, you ______.
A. don't B. can't C .mustn’t D. needn’t
Mary, put on your coat, ______ you'll catch a cold.
A. and B. or C .so D. but
We know that she enjoys ______ books very much.
A. read B. reads C. reading D. to read
