20．The doctor tried his best to reduce the girl’s fear　　　　 she would have her leg cut off．

　　 A．whether　　　　　 B．if　　　　　 C．that　　　　　 D．for which

19．－Li Hua got the champion in the piano competition．

　　 一　　　　　 ?He never shows his talent for music!

　　 A．What about　　　 B．How　　　　 C．Why not　　　 D．How come

18．－Have you got　　　　 with your test paper?

　　 －No．I need another twenty minutes．

　　 A．through　　　 B．up　　　　　　 C．along　　　　　　 D．well

17．一I’m afraid I can’t finish the report this week

　　 -　　　　 　．It won’t be needed until next Wednesday．

　　 A．Don’t mention it．　　　　　　　　 B．Go ahead，please

　　 C．Not at all　　　　　　　　　　　　 D．Take your time