He must study hard,___ ___?(must 在这里是必须的意思) A.mustn't he B.n

He must study hard,___ ___?(must 在这里是必须的意思) A.mustn't he B.n And he must study hard He must be fifty,________?A.mustn't he B.can't C.must he D.m He must be still there,____ A.mustn't he,B.isn't he C.must h He must have learn English for three years,___?A.hasn't he B He must have been there yesterday,___he?A.must B.mustn't C.w Our teacher must be in his office,A mustn't he B can't he C He must have finished his homework,he A,mustn't B didn't Cha He must be our new English teacher,________?A.mustn't he B.d If a man ___ succeed ,he must work as hard as he can. He must be a teacher,___ He must have watched the TV play the other day,A mustn't B d