( )-Mary had great fun her day off. –Really? What did she ? –She went to watch a wonderful dolphin show. A. in do B. on; do C. in; did D. on; did 查看更多

 

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—Mary had great fun ______ her day off.
—Really? What did she ______?
—She went to watch a wonderful dolphin show.       
[     ]
A. in; do         
B. on; do        
C. in; did       
D. on; did

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