I think they needn't stay 改I don't think they need to stay 为什么加to

I think they needn't stay 改I don't think they need to stay 为什么加to they needn’t 什么diedjjjjjjjjjjjj i think i've seen it what i needn't see I don't think they are in.(同义句转换)I don't think they are ( ) ( ). Look!It is very sunny now.I think it ______be rainy.A.mustn't B.can't C.needn't they needn′t to do sth 还是 they needn′t do sth? cause I don't think that they'd understand.. i think it must be in your room,____?A isn't it B mustn't itC needn't itD wasn't it You _____ again, but since you are here, i think we should let you have another tryA.needn't comeB.shouldn't comeC.needn't have comeD.couldn't have come选哪个?为什么? I think they were Canadian.I don't think they were.They can't have been Canadian.They must have been Australian.帮我看看有无语法错误 how do you think of soap operas?I can't them.I think they're tooI can't _______them .I think they're too _________.各位大哥大姐, I don't think they have had dinner,___________?A have they B do I C don't I Are you nuts Even if they think that ,but I don't think so. I think they will enjoy it after watching the TV programme,_______?A.don't I B.don't they C.won't they D.won't I Will the new iphone cost a lot?I ( ) think so.Apple's products are usually expensive.a,shouldn't b,needn't c,would D,must --Will the new iphone cost a lot?--I ___ think so.Apple's products are usually expensive.(A).shouldn't(B).needn't(C).would(D).must 为什么? I think they’re all very beautiful ,aren’t they?这句话的语法对吗? I don't think they need help,but I think I should ___anyway.A:offerB:provide C:supplyD:furnish