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Bài 9 : Tính nhanh a.( 9 x 5 – 45 ) : ( 1+2 +3 +4 +5 +6 +7 +8 +9) b. 14/100 + 85/100 + 86/100 + 15/100
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Change the following sentences from active into passive from 1) somebody takes my briefcase 2) The teacher returns our written work to us 3) She finishes her report 4) The mad dog bites the little boy 5) The police arrests five suspects 6) The doctor orders him to take a long rest 7) he sells an old bike 8) A group of students meet their friends at the rail way station 9) they don't allow Tom to take these books home 10) The teacher doesn't correct exercises 11) Marry operates Tom 12) Mr.Smith teaches us French 13) They don't look after the children properly 14) He sweeps this street 15) People drink a great deal of tea in England 16) People speak English all over the world 17) Tom writes two poems 18) She often takes her dog for a walk 19) They don't make tea with cold water 20) The chief engineer instructs all the workers of the plan 21) Somebody takes some of my books away 22) They hold the meeting before the May Day 23) They repair the engine of the car 24) The boys break the window and take away some pictures 25) People spend a lot of money on advertising every day 26) They use this room for the classroom 27) The teacher tells a story 28) Marry cuts the cake with a sharp knife 29) The children look at the women with a red hat 30) She pulls my hat over my eyes 31) I do all my washing by hand

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