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He paid for a seat, when he have entered free.A. could B. would C. must D. need

编辑:chaxungu时间:2026-04-27 03:00:16分类:高中英语题库

【题目】 He paid for a seat, when he ______ have entered free.

A. could B. would C. must D. need

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【答案】A

【解析】

试题分析:考查情态动词。事实上.他没能免费进入,所以他免费进入只是一种假设,要用虚拟语气。横线处可以填could,should表示虚拟,.故选A