Will you help him _____ you see an old man lying in the middle of the street?[ ]A.thoughB. whenC.bec

题目简介

Will you help him _____ you see an old man lying in the middle of the street?[ ]A.thoughB. whenC.bec

题目详情

Will you help him _____ you see an old man lying in the middle of the street?
[     ]
A. though
B. when  
C.  because
D.  unless
题型:单选题难度:中档来源:上海期末题

答案

B

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