They _____ about it,I'm sure they didn't know.A.must have knowB.mustn't knowC.can't have knownD.can't know

I suppose nobody knows about it,_____?a.do i b.do they c.dose they They will tell him about it soon. 保持原句意思 He _____ ______ about it soon. 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. they are thinking about when they will go . they are thinking about _____ to go . he is very _____(worry)about it He is _____ (ture) sorry about it. They _____ about it,I'm sure they didn't know.A.must have knowB.mustn't knowC.can't have knownD.can't know 改为同义句：1、They preferred to lie in bed rather than ride horses .Ther ____ _____ _____ in bed ____ _____ horses .2、Kate knew nothing about it until I told her .Kate _____ know _____ about it _____ I told her . they thoughy about it for a short time . they _______it________. They often complained about it.(改为同义句) They () () () about it. Please listen to them _____ about people they admire. They are talking about an exciting TV play.改为否定句.They _____ _____ about an exciting TV play. They borrowed it last week.(改为同义句) They ____ _____ it since _____ ______ 现在完成时的题目They left Fuzhou five years ago.=They _____ _____ _____ _____ Fuzhou _____ five years.=It _____ _____ five years _____they _____Fuzhou.=It _____ five years _____ they _____ Fuzhou.改写同意句. It tells stories about (the common life of Americans) 对括号部分进行提问_____ _____ it _____ _____? Did not they tell you about it (改为被动语态） ( ) you ( ) by them about it 他们正在谈论聚会筹备的事情 They are talking about ____ _____ _____是什么 They try _____(not,do) that again,but they fail _____ (do) it.