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英语
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Mr Li is a good teacher.He always helps us ___ we're in trouble.
A.if
B.when
觉得应该选B,但A为什么不对呢?
人气:223 ℃ 时间:2019-09-17 10:47:21
解答
如果是He will help us ___ we're in trouble.
if就能用,是如果假设的意思.
在原句里,句子的意思是:他总是在我们处在困难的时候帮我们.
when的意思是当...的时候
希望有帮助```
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