He ________ to swim when he was five.A.canB.couldC.can be ableD.was able-八年级英语

题目简介

He ________ to swim when he was five.A.canB.couldC.can be ableD.was able-八年级英语

题目详情

He ________ to swim when he was five.
A.canB.couldC.can be ableD.was able
题型:单选题难度:偏易来源:不详

答案

D
can和be able to意思接近,不能同时使用,故不选C,can后跟动词原形,故不选AB,故本题选D。

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