____________ I said hurt her so deeply. (What; If)
查看答案
____________ he comes or not makes no difference. (Whether; If)
We went to the museum, ____________ was very crowded. (which; when)
He'll answer her letter ____________ he receives it. (as soon as; as if)
The day will come ____________ peace-loving people enjoy a world without war. (when; but)