Exercise 2 Đổi ra câu bị động 31. John collected money. → …………………………………………………………………. 32. Anna opened the window. → …………………………………………………………………. 33. We did our homework. → …………………………………………………………………. 34. I asked a question. → …………………………………………………………………. 35. He cut out the picture. → …………………………………………………………………. 36. The sheep ate a lot of grass → …………………………………………………………………. 37. We did not clean our rooms. → …………………………………………………………………. 38. William did not repair the car . → …………………………………………………………………. 39. Did Sue draw this circle? → …………………………………………………………………. 40. Did you feed the dog? → ………………………………………………………………….

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