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Thu gọn đa thức sau rồi tìm bậc của đa thức đó: b. x^3-5xy+3x^3+xy-x^2+1/2xy-x^2 Giúp với mọi người ơi. Cảm ơn nhiều lắm
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IV . FILL IN THE BLANKS WITH THE CORRECT FORM OF THE VERBS: Mai __________________ her teeth. ( brush ) Ba and Lan sometimes _______________ to the zoo on Sunday. ( go ) He ___________________________ to music now. ( listen ) Peter ________________ eating fish. ( not like ) Miss. Thu usually __________________ some vegetables. __________ his mother often _________________ any bananas ? ( have ) They __________________ stories at the moment. ( read ) Listen! Mai and Lan _______________________ TV. ( watch ) I _________________________ beer now. ( not drink ) ____________ you ___________ up early every day ? ( get ) My friend usually ______________ TV on Monday. ( watch ) That girl _____________________ the dishes at the moment. ( not wash ) My grandmother never _______________ books every night. ( read ) Look! the bus ________________________ ( come ) 15Lan and Mai _________________ English at present. ( not speak ) 16. What_________ your father _________in the evening? (do) _He often (watch) _________ TV, but sometimes he (read) _________ books. 17. Where is your brother? - He is in the bathroom. He (brush) _________ his teeth. 18. Mr. Hai (be) _________ a nurse. He works in a hospital in the city center. Every day he (catch) _________a bus to work. 19. I’m thirsty. I’d like (drink) _____________a glass of lemon juice. 20. You can (park) _____________here because this sign says “Parking”. 21. My parents (visit) _____________Ha Long Bay this summer vacation. 22. Let’s (help) _____________Mom, Lan. She (clean) _____________the floor. 23. _____________your mother (walk) _____________to work every day?

1. “Can you give me some information about the courses ?” She asked me 2. “If I were you, I would not be absent from class yesterday.” I advised Mary 3. He sings well and plays the guitar well. Not only 4. My mother cooks better than Alan’s mother does. Alan’s mother 5. She bought that television two weeks ago. She has 6. The furniture was so expensive that I couldn’t buy it. The furniture was too 7. It has been ten years since Hong stopped playing the piano. Hong hasn’t 8. Scientists have carried out extensive research into renewable energy sources. Extensive research 9. He bought such a lot of books that he couldn’t read them all. So many 10. You haven’t done your homework, have you ? Your homework 11. Is it all right if I borrow your car tonight? Would you mind 12. She has worked as a secretary since she left school. She began 13. Although Tom eats a lot of chocolate, she never puts on weigh. In spite of 14. “When are you going to Nha Trang Beach ?” My uncle asked me 15. Your daughter is too young to watch this kind of horror film. Your daughter is not 16. The teacher made her students study hard at school and at home. Her students 17. What about going to New Age Movie Theater tonight? Why 18. There is a lot of furniture in this room so we don’t have enough space for the meeting. There is so 19. Why don’t you take the medicine ? I suggest 20. What is your date of birth ? When were

6. English is an (interest) ………………………… and important subject. 27. I have (little) …………………..……. time to play than my friends. 28. Trees can’t be grown here because the soil is too (pollute) ……………..……….. 29. Air (pollute) …………………………is a big problem in many cities in the world. 30. Peter speaks English very (fluent)……..…………………….. V. Read the passage below carefully and write True or False. (students may not write shortened T/ F) After you have thrown away your can, what happens? Well, first of all it is collected by the men who empty your garbage bins each week and taken to a tip, together with all other household rubbish. Then the rubbish is stored and the steel cans are taken separately to a special factory which turns dirty old cans into high quality steel. It’s this steel that may well find its way back into your home in the form of knives and forks, garden equipment and, of course, food and drink cans. T F 31. Nothing happens to the cans you threw away …… …….. 32. The men who empty the garbage bins cannot receive some money …….. .……. 33. The rubbish and the steel cans are stored at the same factory. …….. …….. 34. The factory turns dirty old cans into high quality steel …….. ……… 35. Knives, forks, garden equipment, …are recycled from the old cans …….. …….. VI. Rewrite these following sentences as directed. 36. The baby cried because of the dog. The baby __________________________________________________________________ 37. It’s raining, so we can’t get to the birthday party in time. If ________________________________________________________________________ 38. They are going to build a new local library near my school. A new local library __________________________________________________________ 39. “Did you meet Liz at the station this morning?” Lan said to Ba Lan asked Ba _______________________________________________________________ 40. People shouldn’t do some experiments on animals. Some experiments __________________________________________________________

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