--- I’m sorry, but there is no smoking o
题型:选择题
问题:
--- 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
--- 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