Question

【题目】—How much ______ these pants?

—______ ten dollars.

A. is；It's B. are；They're C. is；They're D. are；They

Answer 1

【答案】B

【解析】句意：——这些裤子多少钱？——他们是10美元。根据主语是these pants是复数，这里be的动词用are。所以排除AC，主语是复数，回答用they来回答，谓语动词用复数are。可以缩写成They're，根据题意，故选B。