问题
选择题
10．–Don’t put the waste on the ground, young man.
--Oh, I’m sorry. I ____ the dustbin there.
A．didn’t see
B．hadn’t seen
C．can’t see
D．wasn’t seeing
答案
答案：A
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10．–Don’t put the waste on the ground, young man.
--Oh, I’m sorry. I ____ the dustbin there.
A．didn’t see
B．hadn’t seen
C．can’t see
D．wasn’t seeing
答案：A