What colours,aren't they?

What colours,aren't they? 感叹句中,疑问部分用be +主语.eg:　What colours, aren't they?　　What a smel They aren't to do what they want to do Are they eating breakfast?No,they aren't.What are they aren't They aren't English no,----(they)aren't. 英文题- what ()these keys?Are they yours?- no,they aren`t.They What colours are they?与 What colour are they? They aren,t there now No,they aren't单数 ()()sad?No,they aren't