Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word. 1. Known worldwide by its panda logo, World Wildlife Fund (WWF) is dedicated to Protecting world's wildlife and the rich biological diversity that we all need to survive. A. a B. an C. the D. Ø 2. At the end of this month, we here for ten years. A. are living B. live C. will be living D. will have been living 3. Loss of habitat and increased commercial hunt the number of chimpanzees from 2 million to 300,000 individuals. A. reduced B. lessened C. weakened D. limited 4. Baby Komodo dragons will live on the trees from the moment they are born adult ones can't climb and eat them. A. so B. therefore C. although D. because 5. Since 1600s, worldwide overexploitation of animals for food and other products has caused numerous species to become extinct or endangered. `A. the/ a B. the/ Ø C. Ø / the D. the/ the 6. By the time you finish cooking they their homework. A. will have done B. are doing C. have been doing D. have done 7. The more a car costs, it goes. A. faster B. the faster C. the more fast D. the more faster 8. The younger you are, it is to learn. A. easier B. you are easier C. the easier D. the easy 9. The world's biodiversity is declining at an unprecedented rate, which makes wildlife A. prosperous B. prefect C. vulnerable D. remained 10. is the protection of environment and natural resources. A. Survival B. Commerce C. Conservation D. Extinction 11. The number of working women in our country from 49% in 1980 to nearly 65% nowadays. A. has been increasing B. has increased C. is increasing D. will have increased 12. WWF is leading privately supported international conservation organization in the world, and has sponsored more than 2,000 projects in 116 countries. A. a B. an C. the D. Ø 13. The saola is threatened primarily by hunting, rather than . A. habitual loss B. loss of life C. habitation loss D. habitat loss