题目内容

I would have come earlier, but I _____ that you were waiting for me.
A.didn’t knowB.hadn’t known
C.haven’t knownD.wouldn’t have known
A
考查时态。句意:我本可以早点来,但是我不知道你在等我。根据句意,我是过去不知道你在等我,所以用一般过去时态。选A。
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