20.Never before ________ in great need of flesh water．

　 A.has the city been 　 B．the city has beenn　 C．was the city　　 　　　 D．the city was

19.The athlete showed his thanks to many people，to his parents ________ after winning the

match．

　 A.in a word　　 　　　　 B．in particular　　 　　 C．in return　　 　　　　　 D．in genecral

18.-You can't finish the book in less than an hour,I suppose?

-________.

　 A．Yes．I’m sure can　　 　　　　　　　　　　　　 B．No，hardly

　 C.Yes,I can't　　 　　　　　　　　　　　　　　　　　　　　　 D.No，no problem

17.In fall，some animals ________ their food for wintet.

　 A．throw away　　 　 B．carry away　　 　　　 C．give away　　 　　　　 D.put away

16.________ the movie The Tokyo Trial，we have known more about the history．

　 A.Having been secn 　 B．Having seen　　 　　 C．To see　　 　　　　　　　 D．Seen