Giúp mình với mình đang cần gấp 1.. …………..Jason became famous, he has ignored his old friends. He shouldn’t do that. a. if b. Ever since c. Even though d. Due to 2. …………..the salary meets my expectations, I will accept the job offer. a. Due to b. Even if c. Provided that d. Unless 3. Green house effect is the main cause of global warming, …………..we haven’t done anything to reduce it efficiently. a. but b. so c. although d. however 4. We need to stop deforestation, ……………more destructive disasters will occur. a. and b. otherwise c. but d. moreover 5. The number of elephants is dropping dramatically…………..illigal hunting for their tusks. a. in addition to b. while c. as a result of d. in contrast 6. The water skiing events have been canceled …………..extremely bad weather. a. despite b. because c. in case d. due to 7. Rhinoceros are endangered animals. ………….are Siberian tigers. a. Either b. Neither c. So d. Too 8. Actually , nobody can solve this problem ……………..him. a. however b. but c. either d. neither 9. He arrived late, ……………..was annoying. a. it b. what c. that d. which 10. ……………………………, the results couldn’t be better. a. No matter what he tried hard b. No matter how hard he tried c. Although very hard he tried d. Despite how hard he tried 11. I won’t change my mind ……………..what you say. a. whether b. no matter c. because d. although 12. ………….excellent art museums, Moscow has a world-famous ballet company. a. Because of b. In spite of c. In case of d. In addition to 13. …………..Jason became famous, he has ignored his old friends. He shouldn’t do that. a. if b. Ever since c. Even though d. Due to 14. I studied Spanish for your years in high school. ………….., I had trouble taking with people when I was traveling in Spain. a. Therefore b. Moreover c. Nevertheless d. On the other hand 15. …………….coal, gas and oil are safe to use in the short term, they present a long-term threat to the environment. a. Because b. Although c. Until d. Now that 16 . Florida is famous for its tourist attractions. Its coastline offers excellent white sand beaches. …………..it has warm , sunny weather. a. Otherwise b. Furthermore c. Nevertheless d. On the other hand 17. You can go to the party tonight ……………you are sober when you come home. a. as long as b. as well as c. as far as d. as soon as