VI.探究题

1---5 AADCC

V.1. received yesterday 2. has been 3. hasn’t seen4. Has been 5. has been

IV.1---5 CBDBD

激活潜能　

9. studying 10. writing

5. talking 6. playing 7. swimming 8. drawing

8.The bus has been here for ten minutes.

　III.1. sitting 2. sunny 3. having 4. flying

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