12．He is supposed to make his visit to the club soon, but I’m not sure whether he　　　 or not.

　　　 A．does 　　　　　　　　 B．is 　　　　　　　　　　　 C．had 　　　　　　　　　 D．will

11．　　　　 ，I have to put i t away and focus my attention on study this week.

　　　 A．However the novel is amusing 　　　　 B．No matter amusing the story is

　　　 C．However amusing the story is　　　　　 D．No matter how the story is amusing

10．Not until the press reported the pollution　　　 why the water supply had been cut off.

　　　 A．people did know 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．people had known

　　　 C．had people known 　　　　　　　　　　　　　 D．did people know

9．I still remember the story，believe it or not,　　　　 we got lost in the mountain picnic.

　　　 A．which　　 　　　　　 B．that 　　　　　　　　　 C．what　　　　　　　　　 D．how

8．If you ask why I plan to study in the United States，the only answer is that it is a(n)　　 for me.

　　　 A．puzzle　　 　　　　 B．advantage　　　　 C．challenge　　　　　 D．average

7．The samples　　　　　 in quality but were generally acceptable.

　　　 A．varied 　　　　　　　 B．changed　　 　　 C．disagreed 　　　　 D．exchanged

6．When and where to go for the on - salary holiday still　　　　　 .

　　　 A．are remained to decide 　　　　　　　　　 B．is remaining to decide

　　　 C．remain to be decided 　　　　　　　　　　　 D．remains to be decided

5．The conference has been held to discuss the　　　　 of global warming on people’s lives all over the world.

　　　 A．importance　　 B．effects 　　　　　　　 C．protection 　　　　 D．attitudes

4．一Why didn't you come to Mike’s birthday party yesterday?

　　　 -Well，I　　　 , but I had something important to do at the moment.

　　　 A．should 　　　　　　　 B．must　　 　　　　　 C．should have 　　 D．must have

3．Many of the scientists and engineers are judged 　　　　how great their achievements are.

　　　 A．in spite of　　 　　 B．in charge of　　 　　　　　　　　　　　　　　　　 C．in favor of D．in terms of