I don't think he must be sleepy, _______?

I don't think he must be sleepy, _______? 解释一下意思：I think he must be moved. don't give up loving him . ​ -I don’t think he can speak English,_______? I don't think math _______.A.easily to be learned B.easily t He isn't at school .I think he ( )be ill.can,shall,must,has 高中情态动词-That must be a terrible mistake .-No.I don't think it I think you must be a pretty girl ,don't you?有语法错误吗? I don't think Del Negro is a good coach,but credit must be p It mustn't be Tom ,for he has gone to Japan.I don't think he I don't think he will come here on time,_______? I don't think he is a teacher ,_______(反义疑问) I don't think he is a pig,_______?反意疑问句