giúp em với ạ :(( 11. You can't export goods without an export …………. A. permitted B. permission C. permit D. permitting 12. You risk ……….. your money when you put it into that business. A. to lose B. losing C. loosing D. to loose 13. Frank told everyone that he worked for a large company, but the company is ………. A. non-existed B. non-existent C. unexisting D. inexistent 14. He ……….. me not to go out alone at night. A. cautiouses B. cautioused C. cautions D. cautious 15. The ……….. was so exciting and absorbing that she could not put the book down. A. thrill B. thrilling C. thrillness D. thriller 16. The doctor gave a very ……….. report on my health. A. favour B. favourite C. favourable D. favoured 17.He turned on the record-player, producing a crash of ……….. sound. A. electric B. electrical C. electrified D. electronic 18.They have carried out a ……….. into the causes of brain damage A. research B. searching C. search D. searchment 19.This home provides ……….. care for the elderly. A. residence B. resident C. residential D. residental 20.Single rooms are available on ……….. A. request B. requirement C. requesting D. require 21. I was delighted ……….. the present you gave me. A. of B. about C. with D. at 22. I can't understand people who are cruel ……….. animals. A. with B. to C. of D. for 23.We enjoyed our holiday, but we were a bit disappointed ...... the hotel. A. at B. in C. with D. by 24. I was surprised ……….. the way he behaved. It was completely out of character. A. at B. with C. of D. for 25.The people next door are furious ……….. us for making so much noise last night A. to B. at C. about D. with 26. He has just dropped his watch from the third floor and it has fallen ……….. the flower bed below. A. down B. off C. on D. to 27. "Is Thailand ……….. the west of Vietnam?" "Yes, it is." A. on B. to C. at D. in 28. I am very impressed ………… her English. It's very good. A. with B. of C. for D. to 29. I am sorry ………… the smell of paint in this room. I've just decorated it A. about B. for C. with D. by 30. He didn't trust me. He was suspicious ………… my intentions. A. by B. to C. of D. for

giúp em với ạ :((( 1. I suggest that Ben ………..A. will socialise B. to socialise C. socialises D. socialise 2. It’s very noisy in the new neighborhood; …., we enjoy living there. A. therefore B. but C. so D. however 3. Among the five candidates, …………that are well qualified will take up their post in two weeks. A. who B.whom C. those D.anyone 4. This part of machine is very dedicate. ………., you mustn’t remove it yourself. A. whatever to do B.whatever you do C.No matter how D.No matter how to do 5. Precautions are taken ………..a hurricane threatens to strike the coast of the United States. A. however B. whoever C.whatever D. however 6. Having read the book, ……………… A. the dinner was ready B. I felt very relieved C. it was interesting D.the book was put back to the shelf. 7. These days people who do manual work often receive …………..than clerks who workin offices. A.father a lot of money B. further a great deal of money C.more a lot of money D.far more money 8. Neptune is about thirty times as far from the Sun………. A.like the earth is B. such as the earth C. where is the earth D. as is the earth. 9. I spoke to him kindly ………………him. A. so as not to frighten B. so that not to frighten C. for not frightening D. for not to frighten. 10. When they got back from the office, they found their house …….fire .A. under B. in C. into D. on 11. He asked that it ………………..right away. A. was done B. to be done C. be done D.being done. 12. She …………you last week, for she was not there. A. must not have seen B.should not have seen C. could not have seen D.hadn’t seen 13. The committee ……….among themselves for hours. A.has been arguing B. have been arguing C. has been argued D. have been argued 14. The poor man with his two children ……….in a street corner. a. was seen beg b. were seen beg c. was seen begging d. were seen begging 15. Happiness and success ………..on yourself. A. depend b. depends c. is depended d. are depended 16. 200 tons of water ………. last month. A. was used b. had been used c. were used d. is used 17. The Vietnamese …….hard-working and brave. A. are b. is c. be d. being 18. Jack ….yet, otherwise he would have telephoned me. a. mustn’t have arrived b. shouldn’t have arrived c. can’t have arrived d. need not have arrived 19. “Mary looks sad. Did you tell her about the accident?” – “Yes, but I …. her later” a. ought not have told b. shouldn’t have told c. must have told d. should have told 20. Nobody but Peter and John ….interested in Spanish. A. Seem b. are c. is d. have 21. Having been asked to speak at the meeting, ..................... A. some notes were prepared for Dr. Casagrande B. Dr. Casagrande prepared some notes C. the meeting members were pleased to hear Dr. Casagrande 22. is becoming ______ challenging to find a good job It nowadays. A. better and better B. the better C. the more D. more and more 23. John contributed fifty dollars, but he wishes he could contribute ______. A. another fifty B. one other fifty dollars C. more fifty dollars D. the same amount also 24. Our learning and teaching equipment needs __. A. modernizing B. to modernize C. modernize D. modernized 25. .______, she received a big applause. A. When the speaker finished B. Speaking has finished C. After she finishes speaking D. Finished her lecture 26. He’d hardly finished doing his homework when you arrived, _? A. didn’t he B. had he C. would he D. hadn’t he 27. The Mekong Delta is _______ deltas in Vietnam. a. the largest of the two b. the more larger of the two c. one of the two largest d. one of the two larger 28: In a formal interview, it is essential to maintain good eye ______ with the interviewers. A. link B. connection C. touch D. contact 29. It is interesting to take __ a new hobby such as collecting stamps or going fishing. A. up B. in C. over D. on 30. ______ smoking is a causative factor of many diseases, there is no ban on tobacco advertising. A. However B. Therefore C. Although D. In spite of 31. After the car crash last night, all the injured ______ to the hospital in an ambulance. A. was rushing B. were rushed C. was rushed D. were rushing 32. Due to ever more spreading poaching, there ______ a dramatic decline in the number of elephants over the last decade. A. is B. was C. has been D. had been 33. They live on a busy road. ______ a lot of noise from traffic. A. There must have B. It must be C. It must have been D. There must be 34. ______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music. A. Being considering B. Considering C. Considered D. To consider

Giúp mh vs các bạn Mh đg cần gấp Cảm ơn.

Cho ∆ABC vuông tại A,có SinC =3/5 và S ABC= 120 a) Tính cóc,TanC b) Tính AB,AC,BC

mn giải thích cho mình hiểu tại sao: AB ( $\frac{1}{tan 30 độ}$ -$\frac{1}{tan40 độ}$ )=89 sao ra được AB ≈ 164,7 m mong mn giải thik giùm mình ^_^ "thank you very much "

giải pt: x^2-4x+1/x+1 + 2 = -x^2-5x+1/2x+1

Khoanh tròn từ có cách phát âm phần gạch chân với các từ còn lại 1. A. fine B. night C. hi D. miss 2. A. apple B. candy C.January D. table 3. A. subject B. music C. student D. during 4. A. door B. football C. school D. noon

Tìm tổng của tất cả các số nguyên thoả mãn a, -4 < x < 3 b, -5 < x < 5

Chu vi của một tan giác là 60 cm . Các đường cao có độ dài là 12 cm ; 15 cm ; 20 cm . Tính độ dài mỗi cạnh của tam giác đó

vẽ một bức tranh anime ngầu đi