it _hard when you leave home
Awill be raining
B will havebeenraining
C will be rained
D will have rained
I would have come sooner ,but I ——thatyou were waiting.
didn't know 还是hadn't known?
求详细解释!
人气：188 ℃ 时间：2019-12-07 11:15:41
解答
第一题选A,表示将来一个时间点发生的事情,用将来进行时.
第二题选hadn't known,know这个动作发生在wait之前,应该是过去的过去,用过去完成时.可是第二题的答案是didn't know；
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