BÀI TẬP TỰ LUẬN TIẾNG ANH LỚP UNIT A TRIP TO THE COUNTRYSIDE Đổi câu sau sang dạng bị động 1) A group of students have met their friend at the railway station 2) They didn't allow Tom to take these books home 3) The teacher won't correct exercises tomorrow 4) How many trees did they cut down to build that fence? 5) This well-known library attracts many people 6) All students attended the meeting 7) People say that he is intelligent 8) He can't repair my bike 9) Mary has operated Tom since 10 o'clock 10) This is the second time they have written to us about this 11) Mr Smith has taught us French for years 12) They didn't look after the children properly 13) Nobody swept this street last week 14) People drink a great deal of tea in England 15) People speak English all over the world 16) Tom was writing poems 17) She often takes her dog for a walk 18) How many lessons are you going to learn next month? 19) She didn't introduce me to her mother 20) Someone had invented electric lights before I was born 21) Farmers usually milk cows twice a day 22) He likes people to call him "sir" 23) People know that Japan produces a wide range of cars 24) Our teacher used to bid us talk in class 25) Don't let other see you 26) Workers were digging a large hole in the ground 27) Before they took exams they had revised their lesson 28) They car knocked a woman down in the street 29) When he came home his father was reading a newspaper 30) Cows were eating grass on the meadow