20．I can’t thank you 　　　much for your help. Without it I couldn’t have succeeded in my experiment.

　　　 A．very　　　　　　　　　 B．too　　　　　　　　　　 C．quite　　　　　　　　　 D．that

19．　　　 students are required to take part in the football game.

　　　 A．Twelve strong young Chinese　　　　　　　　 B．Twelve Chinese strong young

　　　 C．Chinese twelve young strong　　　　　　　　 D．Young strong twelve Chinese

18．To enjoy the scenery, Sara would spend long hours on the train 　　　　travel by air.

　　　 A．as to　　　　　　　　　 B．other than　　　　　　 C．instead of　　　　　　 D．rather than

17．At the meeting they discussed three different 　　　　　to the study of mathematics.

　　　 A．approaches　　　　　 B．means　　　　　　　　 C．methods　　　　　　　 D．ways

16．Professor Wooden makes roughly $ 1,000 every week, and 60 percent of 　　　　　is spent on books.

　　　 A．which　　　　　　　　 B．them　　　　　　　　　 C．it　　　　　　　　　　　　 D．what

15．--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?

　　 --- I’m afraid not. I 　　　　　a meeting then.

　　　 A．was attending　　　 B．will be attending　 C．am attending　　　　 D．will have attended

14．He spent at least as much time reading as you 　　　　on line yesterday.

　　　 A．had to chat　　　　　 B．do chatting　　　　　 C．had chatted　　　　　 D．did chatting

13．It was in the small house 　　　　was built with stones by his father 　　　　　he spent his childhood.

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

12．What a pity! I 　　　in Hainan two more days, but something urgent needed to be dealt with back home.

　　　 A．must have stayed　　　　　　　　　　　　　　　　 B．needn’t have stayed

　　　 C．may have stayed　　　　　　　　　　　　　　　　　 D．could have stayed

11．Traditionally, Chinese people 　　　the Chinese characters Double Happiness and stick them onto walls or doors for weddings.

　　　 A．cut out　　　　　　　　 B．cut off　　　　　　　　 C．cut up　　　　　　　　 D．cut down