----I’m sorry, but there is no smoking on this flight.----Oh, I that. Sorry, I won’t agai

发布时间：2020-08-16 08:00:56


----I’m sorry, but there is no smoking on this flight.
----Oh, I      that. Sorry, I won’t again.
A. don’t know
B. didn’t know
C. won’t know
D. haven’t known

网友回答

A. don’t know
(答案→)B. didn’t know
C. won’t know
D. haven’t known
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