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第7题：He( )his car every weekend.A. washB. washesC. washingD. washed

第7题：He( )his car every weekend.

A. wash

B. washes

C. washing

D. washed

题目解答

答案

B. washes

解析

本题考查一般现在时的主谓一致。解题核心在于：

确定主语的人称和数：主语是第三人称单数he；
判断动词形式：一般现在时表示经常性动作，第三人称单数后需加-s；
排除干扰项：注意动名词（-ing形式）和过去式的错误用法。

选项分析

A. wash

错误原因：第三人称单数后动词需加-s，wash未变形，不符合语法要求。

B. washes

正确原因：he是第三人称单数，动词wash变为washes，符合一般现在时的主谓一致规则。

C. washing

错误原因：washing是动名词形式，不能单独作谓语，需搭配be动词（如is washing）。

D. washed

错误原因：washed是过去式，表示过去动作，但句中时间状语every weekend表示经常性动作，需用一般现在时。

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