--How much this pair of trousers? - Ten dollars enough.A. are is B. is areC. are areD

问题补充：

--How much this pair of trousers? - Ten dollars enough.

A. are, is

B. is, are

C. are, are

D. is, is

答案：

A. are, is

B. is, are

C. are, are

(答案→)D. is, is

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