问题

Excuse me. You shouldn’t smoke here. Look at the sign “NO SMOKING HERE”.–Sorry, I ________ it just now.
A:doesn’t see
B:haven’t seen
C:didn’t see
D:hadn’t seen
B:haven’t seen
C:didn’t see
D:hadn’t seen
正确答案是:
同类题型
What were you doing this time yesterday?—-I ________ my homework at John’s house.
_______ trees have been planted near here, so the air is very fresh.
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