题目内容
17.Climbing hills________ of great help to our health.( )| A. | is | B. | are | C. | was | D. | were |
分析 爬山对我们的健康很有帮助.
解答 答案:A.
根据题干推测句意是"爬山对我们的健康很有帮助."由于句子表述的是一般性的事实,所以用一般现在时;主语是动名词,应视为单数,所以谓语动词用其第三人称单数形式.故选A
点评 做题时一定要抓住句中的关键词来确定谓语动词的使用,做到主谓一致;还要注意时态问题,必要时谓语动词要做出相应的改变.
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