He went there, some books and call on an old friend of his.A. boughtB. buyingC. buyD. to

发布时间：2020-08-14 23:06:29

He went there,      some books and call on an old friend of his.A. boughtB. buyingC. buyD. to buy

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and call on暗示与前面的形式必须一致。而He went there暗示去的目的，所以用不定式作目的状语，与（to）call on并列。
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