-Don’t put the waste on the ground.-Oh, I’m very sorry. I the dustbin there.A. don’t see B. isn’t seeingC. didn’t see D. haven’t see 题目和参考答案——青夏教育精英家教网—

题目内容

—Don’t put the waste on the ground.

—Oh, I’m very sorry. I the dustbin there.

A. don’t see B. isn’t seeing

C. didn’t see D. haven’t see

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