是的
用法没区别
in强调状态
with强调伴随
be busy doing 是不是省略了in 应该是 be busy in doing 还有 上面两个跟be busy
3个回答
相关问题
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是be busy doing sth 还是 be busy with doing sth
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be busy to do还是doing
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有没有be busy in doing sth.（忘了-_-
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be busy with与be busy in
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be+busy+doing=be+( )+(
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be busy with sth 与be busy doing sth的区别
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be busy doing造句10个
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be busy doing sth和be busy with sth用法详细讲解
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1.when doing business in the Arab world,do not be surprised
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be busy doing sth.=hurry to do sth.=do sth in a hurry吗?