Mary is cutting the cake with a sharp knife.
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Đáp án: The cake is being cut with a sharp knife by Mary.
Science and Technology have completely changed human life.
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We can never find him at home for he is always on the move.
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Change into passive voice.
She has a hairdresser wave her hair once a week.
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The teacher is going to tell a story.
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Choose the best answer in the brackets to complete these sentences.
Lan (are used to/ used to) go to Sam Son in the summer.
I was watching the news on TV at 8.00 last night.
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