根据句意用can,could,must can't填空1、I think the book _____ be Jim's because his name is on it.2、That's not mine.Whose______ it be?3、______ the news be true?I can't believe it.4、It _____ be Bob.He is in the library now.

can,might,may,could,must的用法 must,might,could,can't的区别 can,might,may,could,must的用法 must ,might ,could ,can't的用法? 用can,can't,could,may,must,have to填空. could除了can的过去式还有什么理解 can could may must should的区别? can、could、may 、might、must、ought 的区别和用法 should,must,can,may,shall,could,might的用法 must might could can't表猜测的用法 有谁能告诉偶must.could.might.can't的意义? 情态动词的用法,can,may,must,need,could,dared could ,may ,can ,must ,need,的使用,与区别等 有must/could/can/may/maight have been done吗 can和must.could……的区别是什么 must can may could might语气强弱顺序是什么 must should could can may表示推测时有什么区别? 分析一下can may must could might could have分析一下can may must could might could have done might have done等 根据句意用can,could,must can't填空1、I think the book _____ be Jim's because his name is on it.2、That's not mine.Whose______ it be?3、______ the news be true?I can't believe it.4、It _____ be Bob.He is in the library now.