While the boy down the street, the UFO .A. was walking; was landingB. walked; landedC. w

发布时间：2020-08-21 00:33:48

While the boy      down the street, the UFO      .
A. was walking; was landing
B. walked; landed
C. was walking; landed
D. walked; was landing

网友回答

A. was walking; was landing
B. walked; landed
(答案→)C. was walking; landed
D. walked; was landing
解析：本题是考查while 引导的从句，其中主句为短暂性动词，从句为延续性动词，且主句的动作发生在从句的动作中，故选C
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