.I _____ in New York for two years, but I’ve never regretted my final decision to move back to China.

A. was working B. have worked C. worked   D. had worked

I think it’s the driver rather than the passengers who______ for the accident.

A. is to blame   B. are to blame  C. are to be blamed  D. should blame.

The weather turned out to be fine yesterday. I _____  the trouble to carry my umbrella.

A. should have taken  B. needn’t have taken  C. could have taken D. mustn’t have taken

_____ more and more forests were destroyed, some animals are facing the danger of dying out.

A. By                       B. With                           C. As                     D. For

Sports and games can _____ our bodies, keep us healthy and help us live a long life.

A. build up  B. set up  C. put up  D. bring up

_______achievement, last week’s ministerial meetings of the WTO have earned a low, though not failing, grade.

A. In face of                 B. In case of                C. As a result of            D. In terms of

Although my grandfather is in his eighties, he is still as _____ as a young man and hates sitting around doing nothing all day.

A. enthusiastic           B. intelligent               C. energetic                 D. sensitive

----What’s the area and population of the US？

 ----The US is about the same size as China, but its population is five times ______.

A. smaller  B as little.  C. as few   D. bigger.

 Be careful when you cross this very busy street. If not, you may ____ run over by a car.

A. have B. become  C. get     D. turn