问题
选择题
–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
答案:D
交际用语及时态。由语境可以为过去式。
–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:D
交际用语及时态。由语境可以为过去式。