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Here are the answers: 1. shouldn't 2. shouldn't 3. shouldn't 4. shouldn't 5. should 6. should 7. shouldn't 8. should 9. shouldn't 10. should Here are the answers with the correct forms of the verbs in brackets: 1. Everyone is cheering and singing happily at the moment. (cheer -> is cheering, sing -> singing) 2. Sorry, I can't come. I will be very busy tomorrow. (be -> will be) 3. Will they play football this weekend? (they -> will they, play) 4. Mai and Lan do not go to school on Sundays. (not go -> do not go) 5. After getting up, children get dressed in new clothes and say wishes to their parents. (get -> getting)