31．As we all know, every minute, when made full use of ___ our lessons ,will do good to us students .

A. studying　　　 B. studied　　　　 C. being studied　　　 D. to study

30．John, look at the time.____ you play the piano at such a late time? 　

A. Can　　　 　B. Must　　 C. May　　　 　　D. Need

29．I hate ___ when people talk with their mouth full.

A. that　　　　 B. it　　　　 C. those　　　　 D. them

28．_______ of the land in that district _______ covered with trees and grass.

　A. Two fifth; is 　B. Two fifth; are 　C. Two fifths; are　　　　　 D. Two fifths; is

27．Her parents insisted that she ____ a clever student and ____ a better education.

A. is; should receive　 　　　　　　　B. be; should receive　　

C. was; receive　　 　　　　　　　　D. should be; received

26．He began to try every material _________ the best way to work it out.

A. known to find　 　　　　　　　　B. knowing to find 　　 　　　　　　　　

　C. knowing finding 　　　　　　 　　　　　　D. known finding

25．It took a few seconds for her eyes to _________ the darkness.

A. adjust to　　 　　 B. throw light upon 　　 　　C. rely on　　 　　 D. aim at

24．Sometimes _________ happens that a person is in a position _________ he can make a decision about his enemy’s fate.

A. it; which　　 　B. /; that　　　 　　　 C. it; where　　 　　 D. which; where

23．Only when she left her parents and went to college in a faraway city　　

　 　　how much she loved them．

　　 A．she realized　 B．she had realized　 C．had she realized D．did she realize

22．-Excuse me, could you tell me the way to Tianfu Square?

　　 -Sorry, I’m a stranger here.

　　 -___________.

　　 A. Never mind　　　 B. It doesn’t matter　 C. Thanks, anyway　 D. No problem