necessary for us English well.A.It’s; to learnB.It’s; learn C.That’s; learn

发布时间:2020-08-22 13:25:58

     necessary for us      English well.
A.It’s; to learn      B.It’s; learn       C.That’s; learn

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解析:固定句式It’s adj for sb to do sth,做某事对于某人来说怎么样。故选A。
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