I suppose they have known about it ,( A.am I B.am not I C.have they D.haven't they

I suppose they have known about it ,( A.am I B.am not I C.have they D.haven't they I suppose they have known about it,_____ A.am I B.am not I C.have they D.haven'they请选择,并说明理由. I do not suppose they will come,-----I do not suppose they will come,----- -------,改为反问疑问句 I don’t suppose they can win.(改为反意疑问句) I don’t suppose they can win, ---------------- I don’t suppose they can win.(改为反意疑问句) I don’t suppose they can win,------------ i suppose you have done it 改为否定句 I suppose nobody knows about it,_____?a.do i b.do they c.dose they 英语语法专家请进来（非专家不可）.If i had known that,I could have got there earlier.I dont know why they are so late,I suppose they could have got lost.上面显然是有could have done的两个句式,第一个我知道是虚拟语态 3.I suppose? 英语翻译Ah,well,then I suppose I shall have to die beyond my means. i don't suppose they will come怎么改反义疑问句? i don't suppose they will come,_______ _______?改为翻译疑问句 英语..几道反义疑问句的题`1.You don't suppose he'll come,____?A.do you B.don't you C.will he D.won't he2.I don't think Mary and Sue___before,____?A.have met,haven't they B.have met,have theyC.have seen,do I D.have seen,don't they3.____you'v I suppose they must be trying out new ideas in the lab的反义疑问句为什么是need not they? I suppose that you have heard her name before!这句话语法对吗? I suppose that would have been too easy和..would be easy 意思的区别. i suppose we'll have to attempt to reach the shore ourselves 反意疑问句练习题怎么做?1.I suppose the shoes will last you at least one year,____?A.won't they B.will they C.do I D.don't2.Everyone is surprised at the news,_____?A.is he B.are he C.aren't they D.is not he3.---you will come to have dinner