The books _____ to the library the other day.

        A. were returned    B. returned    C. will return   D. will be returned

-How nice your bike is! How long _________ you ______________ it?

-For two weeks.

　 A. have; bought　　 B. have; had　　 C. did; buy

Teenagers __________ to follow the traffic rules.

    A should be taught      B should teach      C can be allowed

–I called you this morning, but nobody answered.

–I ________ in my garden at that time.

　 A ran　　　 B was running　　　 C an running

Last month a new law    in China to stop people from smoking in public places.

  A. is passed    B. passes    C. had passed  D. was passed

—What are you doing Simon?

—I have finished my homework, and now I　 the computer games.

A .played B. was playing C. am playing D. play

 I’m sorry I left the book at home. I    it here tomorrow, I promise.

  A. bring    B. will bring    C. brought D. have brought  

— Excuse me, what's this for?

—It's a cleaner and it_______ to pick up dirt.

A. uses           B is used         C is using          D. used

—Where　　 the2010 World EXPO　　 ?

—In Shanghai.

A. does，hold 　　 B. has，held C. will，hold 　 D. is，held

—I　　 cleaning my bedroom. It’s clean now.

—Wow. When　　 you　　 it?

A.　have finished，did，finish 　　　　 B. finished，have，finished

C. finish，do，finish 　　　　　　　　　　　 D. have finished，have，finished