【題目】The blue jeans _______ 50 dollars. And that black pair of jeans _______ 60 dollars.

A. are; costs B. are; cost

C. pay; are D. spend; is

【答案】A

【解析】

試題分析: 句意：藍(lán)牛仔褲50美元，那條黑牛仔褲60美元。cost花費(fèi)，物做主語；pay付，人做主語；spend花費(fèi)，人做主語。is是，單數(shù)，are是，復(fù)數(shù)。jeans牛仔褲，謂語動(dòng)詞為復(fù)數(shù)；that pair那條，謂語動(dòng)詞為單數(shù)；故選A

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