giải các phương trình sau c, x+1/x-1 - x-1/x+1=4/x^2-1 d, 2x- 2x^2/x+3= 4x/x+3 + 2/7

help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Tính nhanh: a)52.143-52.39-8.26 b)69+207-46

EXERCISE 6. Động từ chỉ giác quan .: see , watch , hear ….. 1. People saw him steal your car . ………………………………………………….. 2. The teacher is watching them work . ………………………………………………….. 3. people don’t make the children work hard . ………………………………………………….. 4. I have heard her sing this song several times . ………………………………………………… 5. He won’t let you do that silly thing again . ………………………………………………….. EXERCISE 8 : Passive Infinitive + Have to 1. He wants everybody to serve him . ………………………………………………….. 2. I don’t want anyone to disturb me . ………………………………………………….. 3. She would like someone to post this letter . ………………………………………………….. 4. Someone has to look after the garden . ………………………………………………….. 5. They had to cut down that tree. ………………………………………………….. 6. He doesn’t want people to make him a fool . ………………………………………………….. EXERCISE 9 : Passive Gerund 1. I don’t like people shouting at me . ………………………………………………….. 2. I hate people staring at me . ………………………………………………….. 3. can’t stand people telling me what to do . ………………………………………………….. 4. I don’t like people interrupting me . ………………………………………………….. 5. I dislike people making jokes about me . ………………………………………………….. 6. He enjoys people praising him . ………………………………………………….. 7. He can’t stand her parents watching her all day . ……………………………………………… 8. He doesn’t mind people criticizing him . ………………………………………………….. 9. She hates people asking her about her past . ………………………………………………….. 10. We dislike people cheating us . ………………………………………………….. 14. Who wrote this book? ………………………………………………….. 15. Who has cleaned this room? ………………………………………………….. 41. Nobody swept this street last week. ………………………………………………….. 2. They are going to open a new school here , aren’t they? …………………………………………………………………………………

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LƯU Ý :KHÔNG DÙNG ÁP GIẢI , TỰ MIK LÀM NKA CẢM ƠN

EXERCISE 5 : BỊ ĐỘNG VỚI NHỮNG ĐỘNG TỪ SAI BẢO. 1.I had my nephew paint the gate last week ………………………………………………….. 2.She will have Peter wash her car tomorrow . ………………………………………………….. 3.They have her tell the story again . ………………………………………………….. 4.John gets his sister to clean his shirt. ………………………………………………….. 5.Anne had had a friend type her composition . ………………………………………………….. 6.Rick will have a barber cut his hair. ………………………………………………….. 7.I will get the dressmaker to make a new dress. …………………………………………………. 8.He had a mechanic repair his car. ………………………………………………….. 9.She often gets the technician to maintain the heater. …………………………………………… 10.They had the police arrest the shoplifter. ………………………………………………….. 11.Are you going to have the shoemaker repair your shoes? ……………………………………………………………………………………………… 13.She will have a veterinary surgeon examine her dog. ………………………………………… 14.We had a man take this photograph when we were on holiday last summer. ………………………………………………….. 15.The Greens had a carpet cleaner clean their carpet. …………………………………………… 16. We had them repair our car. ………………………………………………….. 17. Lan got his brother to clean the windows last week. ………………………………………………….. 18. I have the hairdresser cut my hair. ………………………………………………….. 19. Jill got the tailor to make her new dress. …………………………………………………..

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Mark the letter A, B, C, or D to show the underlined part that needs correction. 1. The children were frightening by the thunder and lightning. 2. Two people got hurt in the accident and were took to the hospital by an ambulance. 3. The students helped by the clear explanation that the teacher gave. 4. That alloy is composing by iron and tin. 5. The winner of the race hasn’t been announcing yet. 6. Progress is been made every day in all parts of the world. 7. When, where and by whom has the automobile invented? 8. Each assembly kit is accompany by detailed instruction. 9. Arthur was giving an award by the city for all of his efforts in crime prevention. 10. It was late and I was getting very worry about my son. 11. I discovered that many strange things were happened last night. 12. He was seen go to the beach with some other people. 13. He is believed to work for the CIA in the 1970s. 14. We are not let to cycle in the park, are we? 15. You should get your car to service every two years. 16. Only coffee and dessert been served at the reception yesterday. 17. When I have been finished my work, I’m going to take a walk. 18. Because we have a writing agreement, our landlord won’t be able to raise our rent for two years. 19. The heel of my shoe broke off, and then my dress got tore in the elevator door. 20. When I crossed the road I saw two men whose car was broken down. We can’t go along here because the road_______. A. is repairing B. is repaired C. is being repaired D. repairs The story I’ve just read_______ Agatha Christie. A. was written B. was written by C. was written from D. wrote by I’m going to go out and_______.