学会如何和同学相处很重要英文（这些用法你知道吗）

学会如何和同学相处很重要英文（这些用法你知道吗）be busy doingbe worth doing 值得做某事.......They are busy with their homework.他们正忙于做作业。中考语法点：be 形 doing

busy用法总结

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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。

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中考语法点：be 形 doing

be worth doing 值得做某事.......

be busy doing

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