Chuyển các câu sau đây sang câu bị động

2. Chuyển các câu sau đây sang câu bị động

1.     He writes a report daily.

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2.     They are preparing a gift for their mother.

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3.     My aunt was cooking a vegetarian dish for her family.

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4.     He is going to repair his son’s bicycle this afternoon.

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5.     We have washed all the dirty glasses just a few minutes before he comes.

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6.     My family will buy a special present for our grandfather on the occasion of his birthday.

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