20．He used to teach in that university and I　　 ride past it on my way to work．

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

19．A11 these changes will lead to　　 stonger and more powerful China，

　　 　　country that can surprise and enrich our planet．

　　 A.a；a　　 B．a；the　　 C．the；a 　D．the;the

18．I’m really ________ a drink on a day like this!

　　 A. dying from　　　 B. dying of　　　 C. dying to　　　　 D　 dying for

17．He always did well at school　　 having to do part time jobs every now and then．

　　 A．instead of 　B．in case of　 　C.in spite of 　D．in favour of

16.The wallet　　 several days ago was found　　 in the rubbish．

　　 　A.stealing；lie　 B．stolen；lying　 C．stealing；lain　 D．stolen：to lie

15.The bank is reported_______in the local newspaper in broad daylight yesterday.

　　 A.to be robbed　 　　　B．to have robbed

　　 C.to have been robbed 　D．having been robbed

14.Your letter　　 the days when we worked together on the farm 20 years ago．

　　 A.called back　 B．called up　 C．called in　 D．called for

13.---Did he　　 to escape being punished by the police?

　 　　---No ,he　　 to，but failed．

　 　A.try；managed　　 B．succeed;tried

　 　C.manage；tried　 D．succeed；managed