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1.   A. went

     B. have gone

2.  A. Have you written 

     B. wrote

3.  A. have you been

     B. got

4.  A .  haven't seen 

     B.  saw 

5.  A. Have you typed

     B. finished 

6.  A. has known 

     B.  did they meet

     A.  were

7.  A. Have they  ever played  

     B.  played

8.  A. wrote 

     B. have read