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第31题(2.0)分Beforeanyonecouldtakeaphotoofthestrange-lookingbird,it()away.A、hasfl

题目详情
第31题 (2.0) 分 Before anyone could take a photo of the strange-looking bird, it()away. A、has fl
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答案和解析
Before anyone could take a photo of the strange-looking bird,it()away.
A、has flown
B、flew
C、was flying
D、would fly
选A,