31.-I heard that many westerners prefer vegetables to meat.

-It is true. Americans eat ________ vegetables each person today as they did 20 years ago.

A.more than twice　　 B. as twice as many　　 C. twice as many　　 D. that twice as many

30.-Hurry up! Alice and Sue are waiting for you at the school gate.

-Oh! I thought they _______ without me.

A.went　　　 B. are going　　　 C. have gone　　　 D. had gone

29.If the present unemployment ______continue, the society would face a more difficult situation.

A.would　　 B. should　　 C. might　　　 D. could

28. -I’d like to reserve a table for six.

　 -Sorry, sir, but there’re no tables___________ at the moment.

fortable　　　 B. suitable　　 C. usable　　　　 D. available

27.He glanced over at her, _______that though she was tiny, she seemed very well put together.

A.noting　　 B. noted　　　 C. to note　　　 D. having noted

26.The Medical Research Council said it couldn’t__________ the use of the new drug without further tests.

A.infect　　　 B. approve　　　 C. presume　　　 D. assist

25._________ annoys me that Kim never returns the books she borrows.

A. It　　 B. What　　 C. This　　　 D. That

24. Since no one had any more matches, there was nothing with which to ________ the fireworks.

A. set out　　　 B. set about　　 C. set off　　　 D. set up

23.The flight attendant welcomed us __________ the plane.

A.abroad　　　 B.. aboard　　　 C. board　　　 D. broad

22. ______, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of English is poor.

A.Other things being equal　　　　 　　B. Other things be equal

C. To be equal to other things　　　　　 D. Other things to be equal