Last year it started to rain ________ we were watching the fireworks.[ ]A. asB. whileC. sinceD. as s

题目简介

Last year it started to rain ________ we were watching the fireworks.[ ]A. asB. whileC. sinceD. as s

题目详情

Last year it started to rain ________ we were watching the fireworks.
[     ]
A. as
B. while
C. since
D. as soon as
题型:单选题难度:中档来源:同步题

答案

B

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