I didn't manage to do it ___you had explained how.
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I didn't manage to do it ___you had explained how.
A.until
B.unless
C.when
D.before
这种题目是看意思做的还是?我为什么觉得ABD都可以
A.until
B.unless
C.when
D.before
这种题目是看意思做的还是?我为什么觉得ABD都可以
I didn't manage to do it ____ you had explained how.
这句话的意思是:直到你解释了如何做,我才做到.
这里应该是考not...until(直到...才)的用法.答案应该是A
如果选D
before如果后接从句,动词应该是过去式,因为before后面的动作应该是瞬间动作不能延续.此句里you had explained how用的是过去完成时,是延续的一种状态.因此不对
unless 是连词 意思是 除非 它实际上是连接一个条件句.其用法和 if 是一样的.用在一般时态中.
这句话的意思是:直到你解释了如何做,我才做到.
这里应该是考not...until(直到...才)的用法.答案应该是A
如果选D
before如果后接从句,动词应该是过去式,因为before后面的动作应该是瞬间动作不能延续.此句里you had explained how用的是过去完成时,是延续的一种状态.因此不对
unless 是连词 意思是 除非 它实际上是连接一个条件句.其用法和 if 是一样的.用在一般时态中.
I didn't manage to do it ___you had explained how.
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