Ответ:

Объяснение:

1) 1.has to

2.has to

3.have to

4.have to

5.have to

2) 1. Do you have to go to school on Saturday

2. Why he have to buy a new mobile?

3. How long will they have to travel

4.When he have to leave foe school

5. Does she have to work hard?

3) 1.He has to play on violin every day

2. She has to wear a uniform at school

3. He have to go to the hospital last week