once she has made up her mind ,nothing can chang her为什么这里要用完成时?

once she has made up her mind ,nothing can chang her为什么这里要用完成时? 1.She has b--- beautiful looks and sweet voice.2.Once she had made up her m--- ,she never wantedto never change it. once做“一旦”时的用法新人教版必修一的课本原句是 Once she has made up her mind,nothing can change it.是不是一定要用完成时? She has made up her mind that she won't do that agian 的同义句 Once he has made up his mind,he goes the whole hog.他一旦下定决心,就会干到底.拆分开来, A woman has fully made up her mind before she goes shopping什么意思 She has made the beds She has made the beds She has made the beds She has made the beds The girl has made up her mind to m____ a rich man as her husband when she grows up . She has made up her mind to study English well. She ____ _____ to study English well.同义句转换 She has made up her mind to study English well.She ____ _____ to study English well.同义句转换 she has made up her mind to go into business when she leaves her college为什么主句用完成时态? she has never fully made up her mind what she wants1:翻译2：为什么是what而不是that she made the demand that she leave at once she has come up with. she has screwed up.翻译 The mind cannot be made up once and for all ______ he has made up his mind,no one can make him change it.A.Once B.Unless C.Until D.As