一道语法题：I didn't start to work ____________you could help me.A.until B.till C.if D.unles
一道语法题：I didn't start to work ____________you could help me.
A.until B.till
C.if D.unless
原因,及翻译.
人气：299 ℃ 时间：2020-05-22 04:42:56
解答
D,A.B.都是直到地意思,C如果D 除非,除非你帮我否则我不会开始的,根据意思是选D的
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