这里up 是 out of bed:to get up 的 意思
比方：
How come you are still up? .Why are you still up and not in bed asleep?
be up的用法she had been ___ for an hour making sure my brother
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相关问题
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She got up an hour ago.换成She ( ) ( ) ( ) for an hour.
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My brother e_____ for half an hour.
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make sure,make for,make up,make
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be sure,make sure的用法及区别
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look up look for make up make sure 的区别
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--- I’ve been waiting for you for an hour! Where have you be
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You ( )be tired .you have only been working for an hour.
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be sure 和 for two hours
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Hurry up! The play _______ for half an hour. A．has been on B
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Before you fall for someone,make sure she treat you right,an