都是确信.的意思
区别 be sure to do sth 后跟动词不定式
be sure that 后跟的是句子
be sure to do sth 和be sure that 具体介绍
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相关问题
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make sure to do sth、be sure of sth、be sure that 、be certain
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be sure to do sth和be sure of doing sth的区别
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be sure to do sth.
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sure造句用surely造一句用be sure to do sth造两句用be sure （where what ho
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be sure to do sth...有这样的?sure还能怎样用
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be sure of be sure to do 的区别·
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be sure (that),be sure of 和make sure 的区别
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sb be sure sb to do sth. 貌似没有这个形式吧 只有主语 be sure t
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make sure to do和be sure to do有什么区别?
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谁能用be sure to do sth.造句啊