1. You don't have to come with me if you don't want to. I will go on my own.
2. If you need some help with your homework, you should go to the library.

Bai tap dien have to or should
1. You...have to .... come with me if you don't want to I will go on my own
(Bạn ... phải .... đi với tôi nếu bạn không muốn tôi sẽ tự đi)
=> dùng have to vì ý nghĩa câu mang tính bắt buộc cao hơn
2. If you need some help with your homework, you. should.... go to the library
( Nếu bạn cần giúp đỡ với bài tập về nhà, bạn. nên .... đi đến thư viện)
=> dùng should vì đây là lời khuyên không mang tính ép buộc

Bai tap dien have to or should
1. You...don't have to.... come with me if you don't want to. I will go on my own.
2. If you need some help with your homework, you...should.. go to the library
3. If you have a ticket, you..don't have to.. queue. You can go straight in
4. You...shouldn't... tell lies. It's wrong
5. Nick works too much. I think he..should...take it easy
6. Your hair's too long. I think you.should...get it cut
7. Your clothes are dirty. You.have to..wash them
8. I'm going to bed. I..have to..get up early tomorrow.
9. I'd like to meet your best friend. You.should.. invite him/her ground
10. I...have to... tell my parents where i am, then they don't worry

1 should 
2 should 
3 have to
4 have to
5 have to
Đấy nha