Exercise 3.
1. Why do many people learn English?
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2. What time do you cook Dinner?
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3. How did he do this exercise?
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4. How do people make candles?
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5. Who invented the telephone?
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6. Did Henry sing English songs beautifully?
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7. Have they asked you several questions?
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8. The hosts didn’t give us a very warm welcome.
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9. No-one has ever met him before.
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10. Does your father often take you to the school?
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