问题补充:
–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
答案:
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。
时间:2022-05-25 07:20:51
–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
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。