Question

Даю 50 баллов
1. They / to do a science project this year
2. We / shout in class
3. I / forget my mobile phone
4. I / work on Saturdays
5. You / drink this water. It will make you ill
6. I / learn all these words for tomorrow's lesson
7. She / finish this report by tomorrow

Answer 1

1.  don't have to

2.  mustn't

3. don't have to

4. don't have to

5. mustn't

6. don't have to

7. doesn't have to