-Becareful!Youmightfallintothewater.          -Thankyou...

问题详情：

-Be careful! You might fall into the water.

           -Thank you. I____I______ so close to the pool.

    A. didn't know; am standing    't know; am standing

    ’t know; was standing    't know;Would stand

【回答】

C

知识点：相似 相近词比较

题型：选择题