题目内容：

1.The girl can't decide which sweater she should buy.(改为同义句)
The can't decide which sweater ________ _________.
2.Teenagers need to sleep nine hours a day.（对nine提问）
_____ _____ hours do teenagers need to sleep a day?
3.Did you have anyone _____ the trees?
Yes.I had them _____.
A.to water;water B to water;watered
C.water; to be watered D water; watered