1) Do you think we ___________ text dad to tell him we'll be late? a) should b) ought to c) must d) have to e) don't have to f) mustn't 2) You ______ send text messages when you are driving. a) should b) ought to c) must d) have to / has to e) don't have to f) mustn't 3) A pilot _____ wear a uniform when he's/she's at work. a) should b) ought to c) must d) have to / has to e) don't have to f) mustn't 4) You ____ go to Bahia when you are in Brazil. a) should b) ought to c) must d) have to / has to e) don't have to f) mustn't 5) I ____ speak to my phone company. The bill was wrong. a) should b) ought to c) must d) have to / has to e) don't have to f) mustn't 6) We don't _____ hurry. We have plenty of time. a) should b) ought to c) must d) have to / has to e) don't have to f) mustn't 7) You ____ walk on the grass. They've just planted flowers there. a) should  b) shouldn't c) must d) have to / has to e) don't have to f) mustn't 8) My sister is a nurse. Some nights she ___ to work nights. a) should / shouldn't b) ought to c) must d) have to / has to e) don't have to f) mustn't 9) The exhibition is free. You ____ to pay. a) should / shouldn't b) ought to c) must d) have to / has to e) don't have to f) mustn't 10) I don't think we ___ wear shoes inside the house. a) should  b) ought to c) must d) have to / has to e) don't have to f) mustn't 11) ____ I switch my phone off? a) should  b) shouldn't c) must d) have to / has to e) don't have to f) mustn't

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