[题目]Doing exercise every day good for our health.A.areB.isC.wasD.were 题目和参考答案——青夏教育精英家教网—

【题目】Doing exercise every day ____ good for our health.

A.areB.isC.wasD.were

【答案】B

【解析】

句意：每天做锻炼对我们的健康是有好处的。

are是，系动词，用于主语为复数或第二人称you的时候；is是，系动词，用于主语为单数时；was是is的过去式；were是are的过去式。根据句意可知，该句陈述的是客观事实，应用一般现在时态，故先排除C和D。这句话的主语是Doing exercise every day，是一个动名词短语，谓语动词应用单数。故选B。

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