Completa las frases con must, mustn't, have to, don't / doesn't have to.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Larry go to the bank. He hasn't got any money.
2. You smoke in the baby's room.
3. You pay. The entrance is free.
4. I hurry up if I don't want to miss the plane.
5. In the company, everybody start work at 8:30.
6. You cook tonight. I have already prepared the dinner.
7. I pick up my sister from the airport tomorrow.
8. She work. Her husband earns enough money for both of them.
9. You smoke at the petrol station.
10. If you want to study here, you pass an entrance examination.