When I my cup, the coffee on my lap. A. has dropped; had spilled B. was dropping; spilled C. dropped; had spilled D. dropped; spilled 【查看更多】

 

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When I ______ my cup, the coffee ______ on my lap.

A. has dropped; had spilled　　　　 B. was dropping; spilled

C. dropped; had spilled　　　　　　 D. dropped; spilled

 

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