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I wanted to know how they could learn 1,66 words as soon as possible.句子中的could可不可以用can?

分类: 作业答案 • 2021-11-30 10:51:42

问题描述：

I wanted to know how they could learn 1,66 words as soon as possible.句子中的could可不可以用can?

答

不可以,句子是过去式要用can的过去式could