he must be very busy today ,( )1mustnot he 2,isnot he

he must be very busy today ,( )1mustnot he 2,isnot he The dentist thought he must be very.The dentist thought he must be very ill. he seems to be very busy.是不是主系表结构 he must be bad.he must be very wise.用either...or连接 下列句子用be动词的适当形式填空1.I () a student.You ()a teacher.2.She () my friend.3.() you Li Fen?No,I () not.4.() Mr.green very busy?Yes,he ().5.He must () at home.6.The book () very interesting.7.() cleaners very busy?8.You and I () g 1、He must either be very clever or very foolish.2、He must be either very clever or very foolish.请问1和2 那个是对的? Bill is very busy and he doesn't have time to be r_______ You must be very （）when you cross the busy street.A)care .B)careful .B) carefully随便说明为什么. he must ( )here.《be》 He must be happy! He must be busy today,____ ____(改为反意疑问句)isn't he?　　为什么呢?并说下什么时候能用 mustn't be?mustn't he? he has (much) work (to be done),(so)he was very busy.括号里那儿错了 It must be very happy. 也许他今天太忙不来了.he may be too busy to come today.he must be busyand can't come today.那一个翻译的好 he—very busy this week ,he __free next week [A willbe ,is Bis ,is C will be ,will be D is ,will be I think I'm very lucky,and he must be crazy! Can you f____ him some water?He must be very thirsty. The boy must be her son.he look likes her very much 那个地方错了