81/270=81chia....../270chia......=...../10

Các câu hỏi liên quan

I. Choose the word (A, B, C or D) that has the underlined part pronounced differently 1. A. light B. sit C. tire D. library 2. A. teach B. season C. meat D. weather 3. A patient B. address C. assistant D.distance 4. A. fishing B. cousin C. invent D.furniture 5. A. conduct B. customer C. upstairs D.introduce II. Choose the best answers to completes each sentence. 1. We didn’t go for a walker …………… ….. it was very cold . a. though b. because c. but d. so 2. ………………………… I tried to persuade her , I didn’t succeed . a. so b. although c. because d. though 3. I like fish ……………………. I don’t like catching them myself . a. Because b. whether c. Although d. so 4. I think you ……… bring an umbrella in case it rains. A. ought B. had C. should D. would 5. Thanks to the Internet, I can also communicate ……… my friends and relatives. A. with B. to C. from D. for 6. I ………that from now on I’m going to study harder. A. decide B. have decided C. had decided D. decided 7. Their house was full of boys, ten of ………….…… were his students. A. who B. which C. whom D. whose 8. The woman said, “This carpet was made …………… so it’s expensive” A. by hand B. by the hand C. by hands D. by our hands 9. Look ………………! There is a big hole in front of you. A. off B. out C. over D. on 10. I used to ………………………soccer when I was young. A. play B. playing C. played D. to play 11.I haven’t met him ……………………….. 1990. A. in B. at C. since D. for 12.He ……………………. his grandparents every Sunday. A. visits B. has visited C. was visiting D. is visiting 13. …………………….. she was very tired , she helped her brother with his homework a. so b. since c. as d. though 14………………….. I came to see her yesterday, she was reading book. A. After B. While C. Before D. When 15.My sister enjoys…………………… to music in the envening. A. listen B. listening C. listened D. to listen