20．Only one of the places is　　　　 .

　A．worth to visit　 B．worth visiting

　C．worth of visiting　 D．worth being visited

19．In all kinds of competitions, Jackie　　　　 a most excellent athlete. He has won so many gold medals.

　A．practises　 B．conducts

　C．behaves　 D．proves

18．-I’m sorry, I shouldn’t have been so rude to you.

　-You　　　　 something not very nice to me, but that’s OK.

　A．have said　 B．had said

　C．were saying　 D．did say

17．You are telling me I’m lazy. Look what a mess your room is!　　　　

　A．That’s a no – brainer!

　B．Don’t be a wet blanket!

　C．That is like the pot calling the kettle black!

　D．Don’t pull my leg!

16．Professor Li and his wife are now at work on a novel　　　　 next year.

　A．to publish　 B．being published

　C．published　 D．to be published

15．The couple walked together as far as the second crossing of the street　　　 they waved goodbye to each other.

　A．when　 B．which

　C．why　 D．where

14．I had been puzzled over t he problem for over an hour without any result,　　　 all at once a solution flashed across my mind.

　A．while　 B．when

　C．then　 D．as

13．-So hard　　　　　 in the past few years that he has made great progress in English.

　-I can see that, only a few mistakes　　 in this exam.

　A．has he worked; did he make B．he has worked; he made

　C．he has worked; has he made D．has he worked; he made

12．Betty shows great interest in this poem now, but she thought it boring　　　 she read it.

　A．at the first time　 B．the first time

　C．for the first time　 D．at first

11．-How did you like Nick’s performance last night?

　-To be honest, his singing didn’t　　　 me much.

　A．appeal to　 B．attach to

　C．refer to　 D．occur to