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She ran to the second floor. There she stopped, listening to the strange sounds,

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She ran to the second floor. There she stopped, listening to the strange sounds,

She ranto the second floor. There she stopped, listening to the strange sounds,__________ the whole house moved.

A.when  B. while

C.before  D. after

 

试题答案

答案:B

提示:
while强调“在……期间”。