---Don't put the waste on the ground. ---Oh, I'm very sorry. I the dustbin there
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---Don't put the waste on the ground.
---Oh, I'm very sorry. I ________ the dustbin（垃圾箱） there.
A．don't see B．isn't seeing C．didn't see D．haven't seen
试题答案
【答案】
C
【解析】
试题