题目内容
2.---Who cleans the blackboard every day in your class?---Li Ping _______.( )| A. | cleans | B. | did | C. | is | D. | does |
分析 ---你们班谁每天擦黑板?
---李萍擦.
解答 答案:D.结合Who cleans the blackboard every day in your class?---Li Ping _______.可知表达的是Li Ping cleans the blackboard every day,这里是一般现在时,主语三单,用does代替cleans the blackboard every day,故答案是D.
点评 用来替代动词的do是助动词,也可以说用作"代动词",用来表示刚提到的动作,以避免重复.请看以下例句.
-Do you like Beijing?你喜欢北京吗?
-Yes,I do.是的,喜欢.(do用作代动词,代替like Beijing)
I always eat peas with honey.My wife never does.我总是就着蜂蜜吃豌豆.我的妻子从来不这样吃.(does用作代动词,代替eat peas with honey)
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