应该是what have you been up to,你们在忙什么呢?
what have you been up to 还是 how have you been up to
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相关问题
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what have you been up to与 how have you been有什么区别?
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what have you been up to?
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what have you been up to
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What have you been up to lately 中文
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how long have you been up?
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Long time no see.What are you up to these days?—I have been
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how have you been to so far?
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关于Have you been Have you ever been to Peking?yes,i have been
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How can we make up __you __what you have suffered?A.for,to B
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英语翻译what place have you ever been to who did you go with?how