Câu 1.đổi các câu sang dạng bị động của Qúa Khứ Đơn
Tolstoy wrote "war and peace"
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Câu 2.Đổi các câu sau ra dạng bị động của quá khứ tiếp diễn
1.Nga was reading a book in the library at 9 o'clock at yesterday morning
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2.We were singing asong at 9 o'clock last night
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3.Tuan was doing his homework at 4.30 yesterday afternoon
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4.Hung was learning English at school at 10 o'clock yesterday morning
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5.Nga and Thu were collecting the garbages a 8 o'clock yesterday morning
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