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How can they learn so much they spend such a lot of time hanging about?A. although B. whenC. before

编辑:chaxungu时间:2026-04-27 03:04:46分类:高中英语题库

【题目】How can they learn so much ______ they spend such a lot of time hanging about?

A. although B. when

C. before D. until

在线课程

【答案】B

【解析】