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phong09688
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a 13/2 - 1/5 b 8/5 + 3/7 c 6/5 x 1/5 chia 11/7
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EXERCISE 1: Choose the correct answer. 1. An old woman feeds the pigeons. The pigeons ________________________ A. are fed B. were fed by an old woman. 2. A burglar broke the window. The window _____________________ A. was broken B. is broken by a burglar. 3. Someone has made a mistake. A mistake _______________________ A. was made B. has been made . 4. Everyone is going to love her. She _____________________________ A. is going to be loved B. was going to be loved by everyone. 5. Cervantes wrote 'Don Quixote'. 'Don Quixote' _______________________ A. was written by Cervantes. B. has been written by Cervantes. 6. She is helping my sister. My sister ________________ A. is helped B. is being helped by her. 7. Pamela will drive the bus. The bus ____________________ A. will been driven B. will be driven by Pamela. 8. I was watering the plants. The plants ___________________ A. were being watered B. are being watered by me.

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