He must be ill,__he looks so pale.A since Bbecause Cas Dfor 我选的是C ,为什么

He must be ill,__he looks so pale.A since Bbecause Cas Dfor 我选的是C ,为什么 He must be ill ,for he isn't here. He coughs _____-(terrible).He must be ill. He must be shy,__he?最好有讲解并且是对的， He must be ill,___he doesn’t come to school. The dentist thought he must be very.The dentist thought he must be very ill. He must be ill,----------he is absent today.为何答案为For?because为何不能用? He isn't at school .I think he ( )be ill.can,shall,must,has to ,原因. He must be ill,｛｝he looks so pale.A.since B.because C.as D.for那个是正确答案,为什么?He must be ill,｛｝he looks so pale.A.since B.because C.as D.for那个是正确答案,为什么? He must have been ill,or he ______ to the party last night.Awould have beenB should be C would be D had to be He must have been ill,or he ( )to the party last nigjtA would have been B should be C would be D had to be he must ( )here.《be》 He must be happy! He is ______(terrible) ill.He must stay in bed. He must have been ill,___ he?如何变反意疑问句 i don't know what (ill)__he suffered from,but i do remember he was in the hospital last year where is kangkang?He is ill.He___at home.A.can be B.may be C.must be选哪个比较好 理由 He must be at home,__the light in his room is on.A because B asC because ofD forHe felt tired,__he kept on working.A andB orC butD for