I. Choose the best answer : 9. Everglade National Park is a sub- tropical wilderness in the southeastern United States. a. tropical b. sub - tropical c. temperate d. frigid 10. …………………. means a state of continuing to live or exist. a. park b. survival c. zone d. contamination 11. Cuc Phuong National Park is ……… 160 km South West of Ha Noi. a. lied b. established c. abandoned d. located 12. Nearly 1,000 of the world's bird species are …………… with extinction. a. threatened b. endangered c. protected d. abandoned 13. Tourists go to Cuc Phuong National Park to look …………. the 1,000-year-old tree. a. to b. on c. of d. at 14. If you …………….. us about the bad service, we'd have eaten there. a. didn't tell b. wouldn't have told c. hadn't told d. had told 15. If Alan had come sooner, he ……..…. dinner with us. a. could have eaten b. would being eaten c. was eating d. could eat 16. Mary ……………. a new car if she had had enough money. a. had bought b. would have bought c. would have buyed d. would buy 17. If I ………………… her address, I would have sent her a present. a. had know b. would have known c. had knew d. had known 18. I would have watched the football match on TV if I ……………….. at home last night. a. had stayed b. stayed c. stays d. would have stayed