17. Charles Babbage is generally considered______ the first computer.　

A.to invent 　　　B.inventing 　　C.to have invented 　　D.having invented

16. ______ he gave you!　　

A.What good advice 　　　　B.How good advice

C.What a good advice 　　　D.How good advices

15. -Why don’t we take a break?

-Didn’t we just have _______?　　　

A.it 　　　　B.that 　　　C.one　　 　D.this

14．Many people agree that______ knowledge of English is a must in_______ international trade today

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

13．We all write_______ , even when there’s not much to say.

A. now and then 　B by and by 　　C. step by step 　D. more or less

12．-Hello.May I speak to Zhao Hua?

-Yes._______.　　　 (

A.My name’s Zhao Hua 　　　　B.I’m Zhao Hua

C.This is Zhao Hua speaking 　　D.Zhao Hua’s me

11．The speaker raised his voice but still couldn’t make himself._______.

A.hear 　　　B.to hear 　C.hearing 　　D.heard

10．If by any chance someone comes to see me, ask them to leave a______.

A.message 　　B.letter 　　C.sentence　　 　D.notice　　

9．-Are you coming to Jeff’s party?

-I’m not sure. I________ go to the concert instead.　　

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

8．Sorry I’m late. I______ have turned off the alarm clock and gone back to sleep again.　

A.might 　　　B.should 　　 　　　D.will