来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/28 07:26:32
buying是什么用法
you are thinking about buying it
about 是介词
介词后面用动名词
(1) to为介词后加动名词,如 devote to献身于 ,come to 谈到
(2) of后加动名词 I am fond of playing tennis.
(3) before/by/on/from 后加动名词
如 He washed his hands before having lunch.
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