can't 和 mustn't.1、-The sports shoes must be Linda's.-No,they ______ be .They're too small for her.2、-Who's the man over there?Is it Mr.Black?-It ____ be him .He's much taller.3、-Listen!Helen is singing in the next room.-It _____ be Helen.She

oughtn't, mustn't, can't区别 can't和mustn't有什么区别请详解 can`t与mustn`t意义和用法的区别 看一下这道题:mustn't和can't的区别? can't和mustn't有什么区别? 情态动词mustn't和can't有什么区别? can‘t be 和mustn’t be的用法 情态动词的can't和mustn't的区别 may not/can't/couldn't/needn't/mustn't举例区别意思和用法 mustn't/can't/won't/shan't的用法和区别,请详细一点. mustn't neendn't can't 的用法 mustn't needn't have to,has to,can和mustn't的区别 can't 和mustn't的用法?1.In Britain you ______ ride your bike on the pavement.A.can't B.mustn't2.We____forget to turn off the light before we leave.A.mustn't B.can't mustn't have done和can't have done的区别最好有例子 may的否定回答mustn't和can't有什么区别 有can't be那么有没有mustn't be 和may not be can't 和 mustn't在表否定的猜测是用哪个?