Exercise 3. Fill in the blanks with must or have to with the proper form of the Infinitive.
1. The man warned us that the place was dangerous to bathe in and we had to look for a safer spot. 2. When I asked him why he was so late, he told me that he had missed an earlier train and... wait for another one. 3. I told you we... make haste if we wanted to find him in. 4. She... leave him at eight every morning at present. 5. Notice in a picture gallery: Cameras, sticks and umbrellas... be left at the desk. 6. I... do all the typing at my office. 7. I …go to the airport. I'm meeting someone. 8. You... lock the door when you go out. There've been a lot of break-ins recently. 9. I... work late tomorrow. We're very busy at the office. 10. Jennifer... go to the bank. She hasn't any money. 11. He sees very badly: he … wear glasses all the time. 12. You really … make less noise. I'm trying to concentrate. 13. I think you … pay to park here. I'll just go and read that notice. 14. You really … hurry up, Vicky. We don't want to be late. Exercise 4. Write a sentence with must, have to to respond to the remarks. 1. The sign says: 'Passengers must show their tickets!' So passengers have to show their tickets. 2. The children have to be in bed by nine. Their parents said: 3. Laura has to get to work on time. 4. The police told Nick: 'You must keep your dog under control.' 5. The students have to listen carefully. 6. The new sign says: 'Visitors must report to the security officer.'
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