Read these sentences and fill in the gaps with the correct variant (must, mustn’t, have to, don’t have to, doesn’t have to or has to).
1. They … be in a hurry, because they have got more than enough time.
2. I don’t have my own money for a car, I … borrow some money to buy it.
3. Students … look at their notes during the test.
2. Have to
3. Mustn’t