题目内容
12.---Doing sports ___ good for our health.---Yes,so I do morning _____ every day.( )
| A. | is,exercise | B. | is,exercises | C. | are,exercise | D. | are,exercises |
分析 -做运动对我们的健康有益.
-是的,所以我每天做早操.
解答 答案:B
动名词做主语时,谓语动词要用第三人称单数形式,排除选项C、D;exercise当"体操"或"练习"时是可数名词,do morning exercises做早操,故选B.
点评 此题考查主谓一致和名词的数,先根据主语的单复数确定谓语的形式,再根据名词的含义确定名词的数.
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