很重要(18 busy的用法busy 用法)


busy的用法(很重要(18)busy 用法)
busy用法总结be busy doing忙于做某事,动词用成v.ing
They are busy doing their homework.
他们正忙于做作业 。
be busy with sth.忙于做某事,但with后跟名词或代词
They are busy with their homework.
他们正忙于做作业 。
中考语法点:be+形+doing
be worth doing 值得做某事.......
be busy doing
【很重要(18 busy的用法busy 用法)】


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