30.-“I'm not sure Mr.Wang goes to see his parents. 一Twice a week. A.how long B.how often C.how soon D.how many 查看更多

 

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—Did you have a good weekend?

—_____. We enjoyed ourselves very much in the amusement park.

A.Of course 

B.Not bad 

C.I'm not sure 

D.I hope so

 

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—Did you have a good weekend?
 —________. We enjoyed ourselves very much in the amusement park.
[     ]
A. Of course 
B. Not bad 
C. I'm not sure 
D. I hope so

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—Did you have a good weekend?
—_____. We enjoyed ourselves very much in the amusement park.

A.Of course B.Not bad C.I'm not sure D.I hope so

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She _____ know the answer, but I'm not sure.   
[     ]
A. maybe
B. may be
C. may
D. must

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--Sorry, sir. I made a mistake again.

--_________. Practice more and you will do better.
   A. Never mind B. I'm not sure
   C. You're welcome             D. Don't mention it

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