1.don't like cooking （第三人称用doesn't）
2.Do you need any flowers?
3.、4.题你没有打括号~
5.I don't like chickens.
6.They need some lanterns.
另外3、4题你可以加好括号对我进行追问~3,The masks are [forty yuan].4, I like [tiger] masks.3.Howmucharethese masks?4.what kindof masksdoyou like?)另外补充一下第一题，只有人称是第三人称单数（he\she\it)时才用doesn't希望对你有用~