题目内容

-Are they working near the house?

-________.

[  ]

A.Yes, there are
B.No, there aren't
C.Yes, they are
D.No, I'm not
答案:C
解析:

现在进行时的简略答语形式是:Yes或No,主语+be(或be not)。所以C项为正确答案。


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