nêu phương pháp làm sạch muối ăn có lẫn cát

1. Dangerous driving causes many accidents. " Many accidents .................................................. 2. They didn’t hold a meeting in the village hall last week. " A meeting ......................................... 3. The scientists are studying the problem very carefully. " The problem ................................................................................................................................ 4. Nobody swept this street yesterday. " This street .................................................................................................................................... 5. Somebody has already told him the whole truth. " He ................................................................................................................................................ 6. The police found two children in the forest yesterday. " Two children ............................................................................................................................... 7. A thief had stolen her car before you arrived. " Her car ......................................................................................................................................... 8. They used to start these engines by hands. " These engines .............................................................................................................................. 9. No one has seen Peter since the day of the party. " Peter ............................................................................................................................................ 10. We have tested these products recently. " These products ............................................................................................................................ 11. They shouldn’t build the resort on such a beautiful beach. " The resort .................................................................................................................................... 12. Mary will look after the little girl carefully when her mother goes out. " The little girl ................................................................................................................................ 13. My friends are writing their lessons in the room 15. " Their lessons ................................................................................................................................ 14. Last night we were reading magazines when it started to rain. " Last night magazines ................................................................................................................... 15. My father bought that television two weeks ago. " That television ............................................................................................................................. 16. Their school will organize an art exhibition next month. " An art exhibition ........................................................................................................................ 17. The children usually eat vegetables and fruits. " Vegetables and fruits .................................................................................................................. 18. They offered many courses in English last summer. " Many courses in English ............................................................................................................. 19. Mr. Brown is repairing Mary’s car in the yard at the moment. " Mary’s car ................................................................................................................................... 20. Chemical wastes pollute our environment more and more seriously. " Our environment ......................................................................................................................... 21. Our mother gave us this watch two days ago. " We ............................................................................................................................................... 22. They can show the machine to the public next month. " The machine ................................................................................................................................ 23. His son has just won a scholarship. " A scholarship ............................................................................................................................... 24. I was doing my homework at ten o’clock last night when the light went out. " My homework ............................................................................................................................. 25. People built Angkor Wat around the year 1100 to honor a Hindu God. " Angkor Wat ................................................................................................................................ 26. They may see the Great Wall of China from the moon. " The Great Wall of China

am/ is/ are + pp (V3/ V-ed) CÂU 1 - 8 1. The pupils clean the chairs in the classrooms.  ________________________________________________________ 2. Mary types the letters very quickly.  _ The letters are typed in the office by Mary._ 3. People use milk for making butter and cheese. Milk___________________________________ 4. The milkman brings bottles of milk to houses. Bottles of_____________________________ 5. Careless driver causes many accidents. are caused by ……… Many accidents_________________________ 6. People speak English all over the world. English_______________________________ 7. They don’t use this house very often. isn’t used …. This house_______________________ 8. Do they teach French in this school? Is French + V-3 …….? Is______________________________ 9. You mustn’t use that machine after 5.30 p.m.  ________________________________________________________ 10. Somebody will clean the floor tonight. The floor__________________________ 11. He has to send the package now. has to be + V-3/ V-ed  ________________________________________________________ 12. They can’t put these things here. can’t be + V-3/ V-ed  ________________________________________________________

IV. SENTENCE TRANSFORMATION:1. 1. _________________________ are unnecessary because you all know each other. (introduce) 2. 2. He finds country life ___ ______to living in the city. (prefer) S + find + Noun + Adj 3. 3. I’m ___ ______________________ sorry for the delay. (extreme) 4. 4. My mother went to the supermarket to buy some _______________. (grocer) 5. 5. They produced a ___ ______________________ record of the event. (photo) 6. 6. Each of my friends has a ________________ character. (differ) 7. 7. Thousands of middle-aged men are suffering from _______ ____(bald) 8. 8. He had a wide mouth and ___ ______________________ grey eyes. (humor) 9. 9. Her eyes were shining with __ _______________________. (happy) 10. 10. The food was great but the waiters were rude and ____ _____________(help) 11. 11. Jacqueline was _________________________ surprised to get an A for history. (pleasure)

II. ARRANGE THE ADJECTIVES IN BRACKETS IN THE CORRECT ORDER.Order of adjectives: 1. 1. Mr. Thanh has a ___ __________________________ (gray / long) beard. 2. 2. There are a lot of ______ _____________(red / small) flowers in her garden. 3. 3. Firstly, draw a ___ ________________(thin / long / red) line. 4. 4. His daughter has _____ _____________ (long / blonde / wavy) hair. 5. 5. She is talking to a ____ _________________ (handsome / tall) man. 6. 6. Does Linh have ____ ___________________(short / curly / fair) hair? 7. 7. She married a _____ ________________________ (short / old) man. 8. He gave me ___ _______________ (black / leather) gloves. 8. 9. It is a _____ _________________________ (wooden / round) table. 9. 10. It’s a ________ ______________________ (small / metal / black) box.