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МатематикаВопрос:
2 This exercise is optional - you mustn't do it.
Ответ:
This exercise is optional - you don't have to do it.
Похожие
- 1 Read the sentences and choose the alternative which describes the meaning of the sentence. 1 Wisconsin Cheddar doesn't have to go in the fridge.
- 2 Sarah has to enlarge the drawings.
- 3 You should eat cheese to get calcium.
- 4 A cheese sculpture doesn't have to be very big.
- 5 You must try your best.
- 6 You shouldn't leave cheese in a warm place.
- 7 You mustn't get distracted when you're carving.
- 2 Write complete sentences using the prompts below and the correct form of have to or don't have to. 1 Normally teachers/wear a uniform.
- 2 Normally a firefighter/wear a uniform.
- 3 1/go to school on Sunday.
- 4 A receptionist/know how to use a computer.
- 5 Builders/wear hard hats.
- 3 Complete the sentences with must or mustn't. 1 You write carefully in exams.
- 2 People make a lot of noise inside hospitals.
- 3 Students use mobile phones in class.
- 4 Professional musicians practise playing their instrument.
- 4 Complete the sentences with should or shouldn't. 1 People use violence to solve their problems.
- 2 You take medicine when you aren't ill.
- 3 You help your friends when they have problems.
- 4 When you're bad at something, you practise to get better.
- 5 People switch off their mobile phones in the cinema.
- 5 Circle the correct alternative. Sometimes two are correct. 1 Children has to/have to/don't have to go to school.
- 2 You must/mustn't/don't have to copy in exams.
- 3 Doctors must/mustn't/have to work hard.
- 4 You has to/have to/must wear smart clothes if you work in a bank.
- 5 Hospital visitors mustn't/must/don't have to talk in a loud voice or shout because it is prohibited.
- 6 You must/don't have to/mustn't use a mobile phone in a petrol station.
- 6 Find and correct a mistake in each sentence. 1 Children under 15 must to go to school.
- 3 If you'll break the rules, you'll get punished.
- 4 You should to do extra work if it's difficult.
- 5 Students haven't to wear a uniform in our school and so you can wear what you want.
- 6 If you have to doing it now, I'll help you.
- 7 You musn't drink and drive - it's illegal.
- 8 You don't have to open the car door when the car is moving.
- 9 You should eat chocolate just before you go to bed because it isn't good for your teeth.
