Volunteering our time to help people ________ a good way to _______our free time.

A. be; spend B. are; cost C. is; spend D. will; cost

 

C

【解析】

試題分析：句意：花時(shí)間志愿幫助別人是我們花費(fèi)空閑時(shí)間的好方法。Volunteering our time to help people是動(dòng)名詞做主語(yǔ)，說(shuō)的是花時(shí)間志愿幫助別人這件事情，是第三人稱單數(shù)，要用is,spend花費(fèi)，人作主語(yǔ)，cost花費(fèi)，物作主語(yǔ)，結(jié)合語(yǔ)境可知選C。

考點(diǎn)：考查動(dòng)詞辨析。

 

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