26.—He used to be quiet, didn’t he?

  —_________ And he still enjoys keeping quiet!

   A. No, he didn’t.       B. Yes, he did        C. Never.        D. I am not sure.

27. Don’t  put off today’s work for tomorrow. I mean , today’s work _____today.

A. may do    B. must do    C. may be done    D. must be done

28. He thinks watching movies ________.

A. frustrated   B. frustrating     C. frustrate   D. to frustrate