30、We’ve decided to ____ a trip for a new car, as we haven’t got enough money for both.

A. take      B. sacrifice      C. replace      D. contribute

29、All their attempts to rescue the buried child from the fallen building were ____. He died soon afterwards.

A. in place      B. in return      C. in order      D. in vain

28、I would have come earlier, but I _____ that you were waiting for me.

A. hadn’t known   B. didn’t know    C. would have known    D. haven’t known

27、The news ____ Premier Wen Jiabao would once again inspect the disaster site ____ quickly.

A. that; got around   B. that; got through  C. which; got around   D. that; got along

26、The experiment _____they had made a great contribution succeeded at last.

A. at which       B. to which       C. on which        D. to that

25、Production fell ____ 20% in May, ____ the same month of last year.

A .in; compared to           B. by; comparing with

C. to; compared with         D. by; compared to

24、The thief ____ from the two policemen who were holding him and ran away.

A. broke off       B. broke up     C. broke away      D. broke down

23、---My flat needs _____.      

---Would you like me _____ it for you?

A. cleaning; to do                                  B. cleaning; doing       

C. being cleaned; to do                       D. to be cleaned; doing

22、---Is the White House ____ to ordinary visitors?

---Of course.  

A. available     B. accessible     C. adjustable     D. reasonable

21、The sofa used to ____ a bed when a relative came to stay with us.

A. use for    B. make into     C. serve as     D. stand for