Mn ơi giúp mình bài giải hệ phương trình vs

Các câu hỏi liên quan

Question 6:Choose the best answer 1. I want everybody to listen........... A. care B. careful C. careless D. carefully 2. We feel very ..............today. A. happy B. happiness C. happily D. happen 3. I've looked........................ my pen everywhere and I can't find it anywhere. A. at B. for C. up D. on 4. Solar energy doesn't cause ................. A. pollution B. polluted C.pollute D. pollutant 5. Where................you go if you have a car? A. would B. have C. will D. did 6. Prevention is better than ............... A. treatment B. pills C. cure D. doctors 7. He is tired ..............he stayed up late watching TV. A. so B. because C. but D. and 8. I suggest .................to the movies. A. going B. to go C. go D. went 9. All the classes were ...............painted. A. bad B. badly C. worse D. good 10. My parents saw me .............at the railway station. A. in B. for C. up D. off 11. He is the man ..............helped me yesterday. A. which B. who C. whom D. whose 12. I'm very...............to hear that I will go to Da Lat tomorrow. A. excite B. excited C. excitedly D. exciting 13. Nam put up the fence .............prevent hens from going out. A.so B. so that C. in order to D. because 14. There are ...............many people in the cinema that I can't see the film clearly. A. such B. so C. too D. enough 15. ..................I get your car, I'll leave. A. As soon as B. As though C. By the time D. Now that Question 7: a) There is a mistake in the sentence. Find the mistake and correct it. 1. We had better to review this chapter carefully because we will have some questions on it our test. 2. Our teacher of physics would like us spending more time in the laboratory. 3. If I was you, I would help him. 4. Mr Nam is used to get up early in the morning. 5. He died on lung cancer because he smoked a lot of cigarettes. b/ Use the following sets of words and phrases to write complete sentences. 1. If I/ be/ him / I / choose/ English / learn 2. In/ end/ I decide/ not buy / dictionary / because/ too expensive. 3. This video film / so interesting / I / see /twice. 4- Mai /bad / at/ Math/ than / Lan Anh. 5- Hoa/ have / many/ books/ than/ her/ sister c/ Change these sentences into passive voice. 1- Who wrote this book? 2- She likes me to write that report 3- The cook ought to have prepared it 4- it is your duty to do this work 5- someone saw him pick up the gun