Dung dịch chứa chất X tác dụng với dung dịch HCl sinh ra kết tủa trắng, không tan trong axit. Chất X là A: Na2 SO4 B: AgNO3 C: MgSO4 D: BaCl2

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Exercise 4: Choose the best answer to complete these following sentences. 1. In spite _____, the baseball game was not cancelled. A. the rain B. of the rain C. it was raining D. there was a rain 2. ___ he had enough money, he refused to buy a new car. A. In spite B. In spite of C. Despite D. Although 3. ______, he walked to the station. A. Despite being tired B. Although to be tired C. In spite being tired D. Despite tired 4. The children slept well, despite _____ A. it was noise B. the noise C. of the noise D. noisy 5. She left him __________ she still loved him. A. even if B. even though C. in spite of D. despite 6. _______ her lack of hard work, she was promoted. A. In spite B. Even though C. in spite of D. despite of 7. _______ they are brothers, they do not look like. A. Although B. Even C. Despite D. In spite of 8. I’m learning English ________ I want to get a better job. A. or B. because C. therefore D. but 9. Please do that work ________I told you yesterday. A. like B. as C. same as D. similar to 10. This boy lied to you. ________you don’t trust him anymore A. so B. but C. and D. however. 11. _______ Dad works hard all day; he always goes to bad late and gets up early. A. However B. Despite C. Although D. No matter 12. That boy wasn’t busy. _______, he refused to help his mother. A. so B. but C. and D. however. 13. ________the rain, the baseball game was not cancelled. A. In spite of B. Even though C. Although D. Despite 14. I got a job _________ my bad English. A. if B. although C. in spite of D. because 15. I’m not going to the party _________ I know that I should. A. although B. because C. despite D. if 16. _________ I came to see her yesterday, she was reading a magazine. A. When B. While C. Before D. After 17. Tom went to work despite _______. A. that he did not feel very well B. of the fact not feeling well C. he did not feel very well D. not feeling very well 18. Though _______, they are good friends. A. their sometimes quarrel B. to have a quarrel sometimes C. they sometimes have a quarrel D. of having a quarrel sometimes 19. Despite _______, we arrived on time. A. the traffic B. of the traffic C there was heavy traffic D. of there was heavy traffic 20. ___________it was very cold, she did not put on her coat. A. In case B. But C. Even if D. Although

English is a very useful language. If we (1)________ English, we can go to any contries we like. We will not find it hard to make people understand (2)_________ we want to say. English also help us to learn all kinds of (3)__________ . Hundreds of books are (4)________in English everyday in (5)__________ countries. English has also helped to spread ideas and knowledge (6)__________ all corners of the world. Therefore, the English language has helped to spread better (7)__________ and (8)_________ among the countries of the world. 1. A. to know B. know C. knew D. known 2. A. what B. where C. when D. how 3. A. subjects B. things C. ideas D. plans 4. A. write B. wrote C. written D. writing 5. A. much B. lot of C. many D. a lots of 6. A. in B. with C. at D. to 7. A. to understand B. understanding C. understand D. understood 8. A. friend B. friendly C. friendliness D. friendship II. Choose the best answer to complete these following sentences 9. If you want to______your English, we can help you. A. improve B. improved C. improvimg D. improvement 10. Please, phone this number for more_________. A. inform B. information C. informative D. informatively 11. I want to______for selling my house. A. advertise B. advertisement C. advertising D. advertised 12. He is an______of this newspaper. A. edition B. editor C. edit D. editing 13. This book is not____________. A. availability B. available C. avail D. availably 14. He______answered these questions. A. exact B. exactly C. exacting D. exacted 15. If you learn this lesson carefully, you______the exam. A. can pass B. passing C. passed D. would pass 16. We will wait until you______your work. A. finish B. finishes C. have finished D. will finished 17. He can’t get home______he has a ticket. A. if B. until C. unless D. without 18. The result will be better if he______harder. A. work B. works C. worked D. will work III- Pick out the word that has the main stressed syllable different from the others : 19. A. climate B. comprise C. casual D. cotton 20. A. occasion B. religion C. federation D. collection Làm tiếp mình mấy bài toán 8 này với dc k