III. Choose the best answer 1. It is quite ___ to ask him again. He’ll never agree. (point/ pointing/ pointed/ pointless) 2. Each of them …..to bring…..own book to the next class (are/ his – is/ theirs – is/ his – are/ its) 3______ that Columbus discovered America. A.In 1492 B. There was in 1492 C. That was in 1492 D. It was in 1492 4. A good essay must contain enough interesting ideas and specific examples but also have good organization. A. in addition B. either C. not only D. as well 5. When water freezes, it (turns, has turned, would turn, is turning) into ice. 6: We went by sea, but we’d rather ____ by air. A. went B. go C. to have go D. have gone 8. If she............... rich, she would travel around the world. A. would be B. is C. has been D. were 9. Jane’s glasses are on the desk, so she……….be there A. ought B. must C. shall D. will 10. My boss is angry with me. I didn’t do all the work I ……….. last week A. should do B. should have done C. could do D. must have done 11. I _____ work last week, but I changed my mind. A.would start B. had started C. have started D. was going to start 12. On _______ he had won, he jumped up for joy. A. he was told B. being told C. having told D. telling 13. There are a various number of animals……….in Africa. a. living b. are living c. that living d. who are living 14. Hoa’s bicycle, which was very beautiful, …….a few days ago. a. was stealing b. was stolen c. has been stolen d. stole 15. Unless you speak English, you…….to join the club. a. will be allowed b. will not allow c. wouldn’t be allowed d. won’t be allowed 16: When I ………….. into the office, my boss ………….. for me. A. had come/waited B. came/was waiting C. was coming/waited D. came/waiting 17. "How's your class this term?" "Great. I have seventeen students, most of............. speak English very well." A. who B. whom C. those D. which 18. The city _____ at one time prosperous, for it enjoyed a high level of civilization. A. must have been B. can have been C. may have been D. was 19. By 2050, medical technology _________ many diseases. A. will have conquered B. conquered C. has conquered D. is conquering 20: A: “When is Mr. Fields planning to retire?” B: “Soon, I think. He _ _ here for a long time. He will probably retire either next year or the year after that.” A. had been working B. is working C. has been working D. worked 21. I don’t know .................... . a. how much I have to pay b. how much do I have to pay c. how much have I to pay d. how much I has to pay 22. She (threatened / blamed / criticized / accused ) him of having lied to her. 23. Anyone ________ to come with us is welcome. A. wants B. to want C. wanting D. who want 24. _________ him a few words of English? The waiter. A. Who taught B. What did he teach C. Who did he teach D. Whom did he teach 25. How long ________ here by the end of next year? A. will you work B. you will have worked C. are you working D. will you have been working

giải thích sự hình thành thạch nhũ trong hang đá vôi? Giúp mình

Ai giúp mik phần I và II với :3

giúp minh cần gấp câu này Choose the word whose stressed pattern is pronounced differently from the others. A: collapse B: provide C: erupt D: bury

mọi người ơi giúp mình với mình sẽ vote cho tìm x a)17-4(x-2)=-11 b)16-4(x-2)=12 c)3|x-32|=27 d)|x-5|-6=-1 e)|2020x-2016|=-|-2015| f)-21|x|=-42 g)2|x-5|=|-10+12| h)4|2x-56|=|4|^3 mong mọi người có thể trình bày rõ ràng,ko bỏ bước

Cho tam giác ABC vuông tại A có đường cao AH và tia p/g BI a/Giả sử AB = 6cm, BC = 20cm.Tính AC và AH b/Qua C kẻ đường thẳng vuông góc với BI tại D.Gọi E là giao điểm của BA và CD từ đó suy ra tam giác EAD đồng dạng với tam giác ECB c/ Gọi E là hình chiếu của D trên BE.CMR (BD/DE)^2 = BF/FE d/Gọi O là giao điểm của AD và FC CMR. S OCD = 1/4 S OCA AI làm câu được Câu b và C(có thể thêm câu d, câu a mk làm rồi, không cần chụp hình), mk vote 5 sao+câu trả lời hay nhất

mình đang cần gấp , giúp mình bài 2 , 3 , 4 , 5 , 6 , 7 với hứa vote 5* nha

VI- Find one mistake which needs correcting in each sentence. Choose A ,B,C,or D . 1. I like learning English because it is an importance language A B C D 2. Are you interested between learning English? A B C D 3. My brother enjoys to go to the park on summer evenings. A B C D 4. If it rain, I will stay at home and watch TV. A B C D 5. Mary said that she was working in Ha Noi now and she would go home the following month. A B C D 6. With modern equipment , people are capable to communicated over long distances. A B C D 7. My mother has started teaching in Dong Nai province eight years ago. A B C D 8. It was not easy for us getting tickets for the concert. A B C D 9. My mother always made me to wash my hands before every meal. A B C D 10. They suggested ban the sale of alcohol at football matches. A B C D

The country’s ______ resources include forests, coal and oil. A. natural B. naturally C. natured D.nature Compost is a wonderful _______ It helps plants grow. A. fertilizes B. fertilizing C. fertilize D.fertilizer

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