c. Fill in the blanks with have to, has to, don't have to, or doesn't have to.
(Điền vào chỗ trống với “have to, has to, don’t have to, hoặc doesn’t have to.)
1. I don’t have to do my homework now. I did it already.
(Bây giờ tôi không phải làm bài tập về nhà. Tôi đã làm nó xong rồi.)
2. My sister________ write a book report. It's for her English class.
3. Ellen_______ give her presentation tomorrow. The teacher allowed her to do it next week.
4. Stephen and Jane_______ study for their test. They need to get good grades.
5. He _________work in a group for this project. He can work on his own.
2. My sister has to write a book report. It's for her English class.
3. Ellen doesn't have to give her presentation tomorrow. The teacher allowed her to do it next week.
4. Stephen and Jane have to study for their test. They need to get good grades.
5. He hasn't to work in a group for this project. He can work on his own.
