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

20、____ our country has so many good table-tennis players, we have to decide on the best ones to take part in the game.

A. As      B. Since       C. If        D. While