21.     ---Let’s go to a movie after work, OK?

--- ______________. We really need a good rest.

A. Not at all.         B. Why not?          C. Never mind.         D. What of it?

22. If you leave the club, you will not be        back in.

A. received           B. admitted           C. turned               D. moved

23. It’s high time you had your hair cut ; it’s getting _______ .           .

A. too much long      B. much too long      C. long too much      D. too long much