There a lot of coal mines in the south, but many of them have been closed or are be closed. A. use t - 高中生物题库 - 查询谷

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There a lot of coal mines in the south, but many of them have been closed or are be closed. A. use t

编辑：chaxungu时间：2026-05-02 03:31:25分类：高中生物题库

There _____ a lot of coal mines in the south, but many of them have been closed or are _____ be closed.

A. use to having; about to B. used to be; to

C. use to having; going to D. used to be; supposed to

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B

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