My father didn’t give up smoking _______ the doctor told him to do so.

A. but B. when C. until D. after

All passengers ________ go through safety check before they take a plane.

A. can B. may C. must D. ought

________ enjoyable the journey was! We really had a great time.

A. What B. What a C. What an D. How

The meat with eggs tastes ______. Would you like some more?

A. well B. nice C. bad D. wonderfully

The manager asked him if he ________for the extra work the next weekend.

A. had come B. will come C.would come D. came

There are three English-books on the shelf, but ______ of them is mine.

A. both B. neither C. all D. none

Tom Sawyer let his friends _______ a long fence by playing a trick one afternoon.

A. paint B. to paint C. painting D. to painting

When the parents arrived at the hall, the students _______ their projects.

A. have finish B. had finished

C. finished D. are finishing

The WHO has given some advice on to prevent us being infected(感染)with H7N9.

A. how B. what C. where D. when

---I called you at 4:00 yesterday afternoon, but nobody answered.

---Sorry, I ______ with my friends at that time.

A. had swum B. swam

C. would swim D. was swimming