need和should 的区别.

need和should 的区别.
如果有人知道请把另外几到题？
1.（）I return the book to you today?
No.you().You( )keep it till tomorrow.
2.( ) I buy film tickets for you?
No,you（）
3.You () not talk in class and you () listen carefully.
4.You look tired .YOu (0 have some sleep.
5.We ( ) watch TV so much.
6.We have got plenty of time.We ( )hurry道题补充一下。may，need，should的用法。