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МатематикаВопрос:
3. You ______ use your phone during the test. It's the school rule. a) don't have to b) mustn't c) shouldn't
Ответ:
3. You ______ use your phone during the test. It's the school rule.
- b) mustn't
Explanation: 'Mustn't' expresses a prohibition or something that is not allowed. The school rule prohibits using the phone during the test.
Answer: mustn't
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