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МатематикаВопрос:
Complete the sentences with must, have to, mustn't, or don't have to. 7. They ______ clean their room today. Their parents said it's OK to do it tomorrow.
Ответ:
7. don't have to
Explanation: The clause 'Their parents said it's OK to do it tomorrow' indicates that cleaning the room today is not a requirement. 'Don't have to' expresses a lack of obligation.
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