–Excuse me , Sir . Smoking is not allowed here .–Oh, sorry. I .A. haven’t know B. don’t kn

发布时间:2020-08-17 11:44:32

–Excuse me , Sir . Smoking is not allowed here .
–Oh, sorry. I     .
A. haven’t know
B. don’t know
C. hadn’t know
D. didn’t know

网友回答

A. haven’t know
B. don’t know
C. hadn’t know
(答案→)D. didn’t know
解析:交际用语及时态。由语境可以为过去式。
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