complete the sentences with must, have to/has to or should.

1. If you have got a headache, you …………… see a doctor.
2. Your parents …………….. pay the bills. If they don't the electricity will go off.
3.

You ………………… care about your little daughter. If you don't, she won't be a good girl.
4. Your father …………….. pay his tax.
5. I ………………… be at home by three o'clock.
6.

The work starts at 08.30 but
I ………………. be at the office at 08.00 If I am late, my work won't finish.
7. The students ………………. be quite in the classroom.
8. The students …………………. be at school at 08.00.
9.

If you want to be healthy, you …………. have a good breakfast.
10. A doctor ………… save people's life

Answers:

1. should 2. have to 3. must 4. has to 5. must go 6. must 7. must 8. have to 9. should 10. has to