6.joined；ago 7.It is, since　　　

4.has been open　5.has been away　

拓展提高

I.1---2 AC

II.1.has he?　2.How long　3.died, has been dead　

5. His uncle ____ for more than 9 years.

A. has come here　　　　 B. has started to work

C. has lived there　　D. has left the university

Lesson 16答案

基础过关

4._____has Mr. White been a member of Greener China since he ____ to China?

A. How soon, comes　　　　 B. How often, got　

C. How long, came　　　　 D. How far, arrived

3.The students have cleaned the classroom,_____?

A. so they　　　 B. don’t they　　

C. have they　　 D. haven’t they

2.My　 parents______　 Shandong　 for　 ten　 years.

A.　 have　 been　 in　　　　B. have　 been　 to

C.　 have　 gone　 to　　　　 D. have　 been

1.Miss　 Green　 isn't　 in　 the　 office . she_______　 to　 the　 library.

A. has　 gone　B. went　

C. will　 go　D.　 has　 been

5、他这些天上哪儿去了？

Where _____ he _______ in these days?

VI.探究题 单项选择

4、她去过上海吗。

_____ She ______ to ShangHai?