31. -–I’m sorry I can’t reach the book on the shelf.

　　 -- Please have somebody else who is _______ get it .

A. tall enough　　 B. tall enough to　　 C. as tall as you　 D. very tall to

30. --Do you think we can get there on time?

--Yes, _____ the car doesn’t break down.

A. if only　　　 B. even if　　　 　C. in case　 　　D. so long as

29. I was ___ in the middle of my call because I had no more coins to put in the box.

A. cut off　　　 B. broken in　　 　C. hung up　 　　D. put down

28. You ______ fail to pass the entrance examination if you don’t study hard.

A. shall　　　　 B. could　　　 　C. must　　　 D. should

27. Be quick, the doors ______! You’ll ______ in time.

A. have closed; take it　　　 　　　B. are closed; miss it

C. are closing; make it　　　 　　　D. close; get in

26. The professor reminded me of what I would _____ have forgotten.

A. therefore　　 B. however　　 　　C. otherwise　　　 D. whenever

25. --Would you mind giving your advice on how to improve our business management?

　--If you made _____ most of the equipment, there would be _____ rise in production.

　 A. /; /　　　　　 B. the; a　　 　　　C. the; the　 　　　D. the; /

24. Considering the present birth rate, the prediction that the world population will decrease in the near future simply does not ______.

A. exist　　 　　　B. prove　　 　　C. stand　　　　　 D. hold

23. The shop she usually did her shopping _____ every Saturday has been pulled down for the City center.

　 A. on　　　　　　 B. in　　　　　 C. for　　　　　　 D. /

22.-- $500,but this is my last offer.

--OK, it is a _________.

A. cost　　　　 B. price　　　 　　C. reward　　　　 D. deal