31．_______difficult is．we’ll have to finish the work in time．

　 A．How　 　　　　 B．However 　　　　　　 C．What　 　　　　　　　　 D．No matter

30．一Tom, you’re absent-minded!

　　 一Oh, I’m sorry．I_______ attention to you，Miss Smith．

　 A．haven't paid　 B．wasn’t paying　　　　 C．am not paying 　　 D．couldn’t have paid

29．一Why don’t you buy the camera you have longed for?

一I have planned to，but I am ￥500 short__________．

　　 A．for the moment 　　　　　　　　　　　　　　　 B．on the moment　　　 C．in a moment 　 D．for a moment

28．If it______ rain in the cooling week，the crops in the field would be destroyed．

　 A．shall　　 　　　　 B．will　　 　　　　　　　 C．may 　　　　　　　　　　 D．should

27．There are so many beautiful cars____，but he is at a loss which to buy．

　 A．to be chosen 　 B．to choose from　　　 C．to choose　 　　　　　 D．for choosing

26．一Do you know our school will be enlarged soon?

　　 一Of course．It will be______ in size，as far as I know．

　 A．the large　　 　 B．the largest　 　　　　 C．three times as large　　　 D．1arger three times

25．Word came that a new conflict____ between Israel and Palestine，leading to lots of civilian deaths．

　 A．broke up　 　　 B．broke down　 　　　 C．broke out　 　　　　　 D．broke through

24．His stocks are sold at such a low price_________ he didn’t expect．

　　 A．as　　 　　　　　 B．that　　 　　　　　　　 C．when　 　　　　　　　 D．which

23．一What did you do last night?　

　　　　 一I_______ my homework until 11 o’clock．

　　 　　 A．did　　 　　　　　 B．had done　　 　　　　 C．was doing　 　　　　　 D．would do

22．When_____ NBA player is young，he drinks he can win____ championship by himself．

　　 　　 A．an/不填　　 　 B．an/the　　 　　　　　　 C．不填/the　 　　　　　 D．the/a