Choose the best answer to complete each of the following sentences. 1. Ha Long Bay is famous __________ its scenic rock formations. A. to B. with C. for D. by 2. Titov island in Ha Long Bay was named __________ a Russian cosmonaut, GhermannTitov. A. for B. with C. after D. by 3. You __________ look at other students’ work. It’s against the rules. A. must B. should C. shouldn’t D. mustn’t 4. The Sahara is the third largest __________ in the world. A. island B. desert C. valley D. mountain 5. When hiking overnight, don’t forget to bring the __________. It will keep you warm at night. A. sleeping bag B. hiking boots C. sun cream D. painkillers 6. The Amazon River is __________ river in the world. A. the wider B. wider than C. the widest D. widest 7. __________ is the coldest place in Vietnam? A. Who B. What C. Which D. When 8. Peter must __________ this essay today. He’s going out tomorrow. A. finish B. finishes C. finishing D. to finish 9. Which is __________, the West Lake or the Sword Lake? A. large B. larger C. largest D. the largest 10. The Grand Canyon is one of the natural __________ of the world. A. materials B. sights C. scenery D. wonders 11. The weather is very hot in______. You can see camels and rattlesnakes easily there. A. valley B. ocean C. desert D. mountain 12. Cam Ly______in Lam Dong Province attracts many tourists to visit each year. A. Island B. Waterfall C. Highland D. Forest 13. My sister had a headache yesterday when she returned from her camping. My mother gave her some______to reduce it. A. painkillers B. plaster C. sun cream D. cool water 14. My brother and I wear______to move conveniently when we go hiking in the mountain. A. walking boots B. scissors C. backpacks D. waterproof coat 15. We brought a______to look around when we move in the jungle in the dark. A. tent B. mobile phone C. sun hat D. torch 16. I had an occasion to come to visit Ngu Hanh Son. It's a mountain______in Da Nang. A. land B. range C. mount D. rock 17. Those islands in Nha Trang are named______some interesting animals such as monkeys or swiftest. A. around B. in C. after D. by 18. It is______to check your luggage carefully when you travel somewhere by plane. A. unusual B. attractive C. essential D. exciting 19. Ba Be Lake in Bac Kan is______natural lake in Viet Nam. A. the largest B. the large C. largest D.more large 20. Many people say that Nile is______river in the world. A. the deepest B. deeper C. the longest D. longer