(   ) 44. ---You haven’t been to the Great Wall, have you?

--- ____________. But I have seen many pictures about it.It’s really very great.

 A. No, I have.   B. No, I haven’t .  C Yes, I have.  D. Yes, I haven’t

(   )43.This is the book________ we borrowed last weekend. It’s nice.

      A. where  B. which  C. what  D. whose          

(   )42.We will _________ the meeting if you aren’t free.

      A. put off   B. put on    C. put up    D. put away

(   )41. My mother told me ___________ near the river in summer.

       A. don’t play    B. to not play   C. not to play  D. doesn’t play

(   )40. --- Why do people often use “Excuse me” before they ask for directions?

---Because it _________ more polite.               

A. sounds   B. listens         C. hears    D. looks

(   )39.--- You look nice in your new dress! When did you buy it?

 --- Don’t you know?    I __________it for several days.

A. bought    B. have bought      C. have had       D. buy

(   )38.I don’t know if he _____ free tomorrow. If he ____free, I will invite him to dinner.

A.is, will be  B. doesn’t, won’t be  C. is, is   D. will be, is

  (   )37. We’ll go sightseeing, ________ it rains heavily tomorrow.       

        A. if     B. or     C. unless     D. whether

 (   )36.We should do something for the environment. For example, we ________ walk on the grass.                                            

        A. may not   B. can’t     C. needn’t    D. mustn’t

 (   )35. Of the two shirts, I chose ________ one. 

A. expensive  B. more expensive   C. the more expensive   D. the most expensive