LastsummerItooka

发布时间：2020-07-12 08:05:33

Last summer I took a course on ______ poisonous gases.












A.what to deal with











B.how to deal with










C.what to be dealt with










D.how to be dealt with

网友回答

B解析考查词语搭配。How to deal with; what to do with是两个固定结构。
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