Exercise 3. Complete the following sentences
1.    Robots / clean / our houses / in the future.
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2.    You/ open/ door, please?
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3.    They/ go/ the movies/ tonight.
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4.    We/ travel/ Nha Trang/ next week.
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5.    We / not / use telephones / at home / in the future. 
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6.    Nga and Lan/ visit/ their grandparents/ tomorrow.
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7.    They / watch / cartoons / on smart phone / in the future? 
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8.    We / have / hi – tech robots / do / housework / in the future.
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9.    He/ go/ the super market/ mother/ tomorrow morning.
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10.     She/ be/ 14/ her/ next birthday.
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