1. The World Wildlife Fund is working to protect and save the forests that are in ______. A. danger B. survival C. interfere D. interest 2. The little girl ______ I borrowed this pen is absent from school today. A. about whom B. of whom C. to whom D. from whom 3. _________ is produced from the heat stored in the earth’s core. A. Nuclear energy B. Wind energy C. Geothermal energy D. Water energy 4. Oil, coal and natural gas are _______________. A. fossil fuels B. nuclear power C. solar system D. hydropower 5. If people stop destroying animal’s natural habitat, more species will survive and produce ____________. A. landscape B. ecology C. offspring D. benefit 6. Several cars _______ owners had parked them under the trees were damaged. A. of which B. that C. which D. whose 7. It is possible for local wildlife to coexist _________ industry. A. with B . to C. for D. of 8. The world’s coal __________should last longer but, once used up, these can’t be renewed. A. reservations B. reserves C. reservation D. reserve 9. Today how to make full use ________ the alternative sources of energy is a question for researchers. A. to B. of C. into D. for 10. The house _________ we live in was built 20 years ago. A. of which B. where C. which D. whose 11. The books _______ by To Hoai are interesting. A. to be written B. to write C. which is written D. written II. Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction. 12. The (A) sun releases (B) large amount (C) of (D) energy every day. 13. There are (A) many seasons why (B) many species of animals have (C) become extinction (D). 14. Water is (A) one of the most (B) precious resources (C) in which (D) we depend for our life. 15. Who is (A) the last (B) person left (C) the office yesterday afternoon (D)? IV. Use the correct form of the word given in each sentence. 16. The students are reading books. They are about travelling. (using a relative pronoun) ___ ________________________________ 17. Studying abroad is the wonderful thing that we must think about. (reduce relative clause)  Studying abroad ______________________ 18. The girl who sat next to you yesterday is a good student. (reduce relative clause) The girl _____________________________ 19. We are listening to the song. It sounds strange to us. (using preposition with a relative pronoun) The song __________________________. 20. The man who stole your money last week was arrested . (reduce relative clause) The man ____________________________ ------------------