Exercise 1: Put in the correct prepositions AT / ON / IN: 1. Columbos discovered America …………… 1492. 2. You can see the stars …………… night, if the sky is clear. 3. Tom isn’t here …………. the moment. He’ll be back …………. five minutes. 4. The course begins ……….. 7 January and ends ………… 10 March. 5. Tom’s grandmother died ……….. 1977 ……….. the age of 79. 6. The price of electricity is going up …………. October. 7. Ann works hard during the week, so she likes to relax …………. weekends. 8. I can’t be at home ………… the morning. Can you phone me ………. the afternoon instead? 9. Jack’s brother is an engineer but he’s out of work ……….. the moment. 10. …………. Sunday afternoons I usually go for a walk in the country. 11. Tom doesn’t see his parents very often these days- usually only ……….. Christmas and sometimes …………. the summer for a few days. 12. The telephone and the doorbell rang …………. the same time. 13. I walk up a lot of stairs everyday. My flat is …………. the third floor and there is no lift. 14. We went to the theatre last night. We had seats ………… the front row. 15. It can be dangerous when children play football ………….. the street. Exercise 2: Put the sentences in the passive voice 1. Mary types letters in the office. 2. His father will help you tomorrow. 3. Science and technology have completely changed human life. 4. Peter broke this bottle. 5. They are learning English in the room. 6. Nothing can change my mind. 7. Do they teach English here? 8. Will you invite her to your wedding party? 9. Why didn’t they help him? 10. How many games has the team played? 11. Where do people speak English? 12. Who are they keeping in the kitchen? 13. How can they open this safe? 14. They paid me a lot of money to do the job. 15. The teacher gave each of us two exercise books. Exercise 3: Put the verbs in the correct form. The first diagram (1-illustrate)____________the process of cement manufacture, and the second diagram (2-show)_____________ the materials that go into the production of concrete. It is clear that there are five stages in the production of cement, beginning with the input of raw materials and ending with bags of the finished product. To produce concrete, four different materials (3-mix)______________ together. At the first stage in the production of cement, limestone and clay (4-crush)____________ to form a powder. This powder then (5-mix)______________ before it passes into a rotating heater. After heating, the resulting mixture (6-grind)_______________, and cement (7-produce)______________. Finally, the cement (8-package)_______________in large bags. Cement is one of the four raw materials that (9-use)_______________ in the production of concrete, along with gravel, sand and water. To be exact, concrete (10-consist)_______________ of 50% gravel, 25% sand, 15% cement and 10% water. All four materials are blended together in a rotating machine called a concrete mixer. Exercise 4: Complete the passage using the following words. Use “a/an” if necessary. accident biscuit blood coat decision question electricity key letter moment music sugar 1. It wasn’t your fault. It was........... 2. Listen! Can you hear...........? 3. I couldn’t get into the house because I didn’t have ........... 4. It’s very warm today. Why are you wearing...........? 5. Do you take .................in your coffee? 6. Are you hungry? Would you like ...........with your coffee? 7. Our lives would be very difficult without................ 8. I didn’t phone them. I wrote.............instead. 9. The heart pumps .....................through the body. 10. Excuse me, but can I ask you.............? 11. I’m not ready yet. Can you wait.............., please? 12. We can’t delay much longer. We have to make .................soon
cách chuyển google chrome ra màn hình mình đã ấn vào menu start rồi vào thanh search xong gõ ứng dụng cần chuyển : google chrome Rồi click chuột phải vào và chọn Open file location Xong nó hiện ra cái này rồi bấm vào cái gì nữa bạn để chuyển ứng dụng google chrome ra màn hình hả bạn Giúp mình nha cảm ơn mình ko kéo ứng dụng đó ra đc nên mới dùng cách này
Giúp mình bt này vs ạ Mình cảm ơn
each of the following sentences has one mistake identify and correct the mistake 1 in the free time hoa often listens to music,goes fishing and play video games
Cho 2011 số tự nhiên x1,x2,...,x2011 thỏa mãn 1/x1^11+1/x2^11+...+1/x2011^2011=2011/2048. Tính tổng M=1/x1^1+1/x2^2+...+1/x2011^2011
ai giúp mình làm 2 bài này với. Mình cần rất gấp. Bạn nào làm được mình sẽ vote 5 sao, ctlhn. Mong các bạn giúp mình
Bài 2; làm thế nào nhận ra sự có mặt của mỗi khí trong hỗn hợp gồm: CO; CO2 và SO3
Cân bằng PTHH : FeCO3 + FeS2 + HNO3 ---> Fe2(SO4)3 + CO2 + NO2 + H2O ( Trình bày đầy đủ ạ )
cách chuyển google chrome ra màn hình mình đã ấn vào menu start rồi vào thanh search xong gõ ứng dụng cần chuyển : google chrome Rồi click chuột phải vào và chọn Open file location Xong nó hiện ra cái này rồi bấm vào cái gì nữa bạn để chuyển ứng dụng google chrome ra màn hình hả bạn Giúp mình nha cảm ơn
Làm ơn đừng spam vs hãy giúp mình cho vecto v= (a;b) sao cho khi phép tịnh tiến đồ thị y=f(x)=(x^2−x+1)/(x−1) theo vecto v ta nhận đc đồ thị hàm số y = g(x)= x^2/(x+1 ) . khi đõ tích a.b bằng
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