◎ 题干
--Be careful! You might fall into the water.
--Thank you. I____.I______ so close to the pool.
A.didn't know; am standing
B.don't know; am standing
C.didn’t know; was standing
D.didn't know;Would stand
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--Be careful! You might fall into the water.--Thank you. I____.I______ so close to the pool.A.didn't know; am standingB.don't know; am standingC.didn’t …”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。