be busy at和别的介词的区别
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/07/02 21:56:22
be busy at和别的介词的区别
老师说有be busy at.
老师说有be busy at.
![be busy at和别的介词的区别](/uploads/image/z/7658039-47-9.jpg?t=be+busy+at%E5%92%8C%E5%88%AB%E7%9A%84%E4%BB%8B%E8%AF%8D%E7%9A%84%E5%8C%BA%E5%88%AB)
确实有 be busy at... ...
忙于做某事:be busy at (with,about,over,doing) sth 都可以.
如:妈妈整天忙于做家务.可以说:My mum is busy at housework all day.
这个句子中at可以用括号里的词替换.
忙于做某事:be busy at (with,about,over,doing) sth 都可以.
如:妈妈整天忙于做家务.可以说:My mum is busy at housework all day.
这个句子中at可以用括号里的词替换.
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