A、 to have closed
B、 to close
C、 having closed
D、 closing
答案：B
A、 to have closed
B、 to close
C、 having closed
D、 closing
答案：B
A. What
B. That
C. As
D. Which
A. Fine, thank you.
B. How do you do? .
C. Not too bad.
D. Very well
A. much
B. many
C. the more
D. much more
A. Don＇t mention it.
B. That＇s fine.
C. Nice talking to you.
D. Call back again.
A. Well, it＇s OK.
B. No, it＇s all right.
C. You are welcome.
D. You are wrong.
A. was developed
B. is developed
C. will be developed
D. has been developed
A. me go
B. me going
C. I go
D. I going
