Issheplayingthepiano? [ ] A. Yes, sheis._爱下问搜题

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问题选择题

Is she playing the piano? [ ]

A. Yes, she is.

B. No, she isn't.

答案

答案：A

名词解释

多式联运合同

判断题

在油藏中四周衬托着油藏的水叫底水。