---The window is dirty.

 ----I know. It ______ for weeks.

  A. hasn’t cleaned  B. didn’t clean   C.wasn’t cleaned    D. hasn’t been cleaned

 They use specially trained dogs to _____ their sheep at night.

  A. take care        B. get along with             C. watch over                  D. turn to

—He never goes to the cinema.

—____.

A. Neither do I　 B. Neither am I 　C. So do I　　 D. So am I

—Are you free this evening?

—Sorry, I’ve promised to repair Mary’s radio ____ for her help with my English.

A. in relief　 　 B. in return　　　 　 C. in turn　　 D.in fact

—What does WWF ____, Jerry?

—World Wildlife Fund, I guess.

A. prepare for　　 　 B. stand for　　 C. call for　　 D. wait for

 In class the teacher’s humorous words often make every student ____ laughter.

  A. burst into     B. break into    C. fall into     D. come into

Though it was dark and raining hard, the children went out ____ their lost dog.

  A. in charge of    B. in honor of   C. in danger of    D. in search of

The 29th Olympic Games ____ in Beijing in 2008.

A. will be held　　　　　 B. was held　 C. has been held　　　　 D. is being held

I went to see a film _____________ last year.

A. every three weeks         B. every third weeks 

C. each three weeks          D. each three weeks

 Her mother _______ having read her letter.

  A. thought      B. considered      C. admitted      D. advised