——I’m sorry , but there’s no smoking on
题型:选择题
问题:
——I’m sorry , but there’s 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’s 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