Mark the letter A, B, C or D on your answer sheet to indicate the underlined part differs from the other three in pronunciation in each of the following questions. Câu 1. a. cooked b. danced c. hoped d. opened Câu 2. a. lived b. answered c. employed d. worked Câu 3. a. cleaned b. played c. brushed d. studied Choose the word that has a different STRESS PATTERN from that of the others. Câu 4. a. competitor b. participant c. volunteer d. announcer Câu 5. a. orphan b. fauna c. ethnic d. explore Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Câu 6. Cuc Phuong National park was ……………opened in 1960. a. officially b. completely c. nearly d. usually Câu 7. Most of them got carsick because they went …………..coach. a. on b. in c. by d. with Câu 8. A group / groups of animals or plants are called ………….. a. species b. chemicals c. population d. forest Câu 9. ………………is related to an area near a tropical area. a. temperate zone b. sub-tropical c. rainforest c. mountain Câu 10. A state of being polluted is ……………. a. toxic b. population c. survival d. contamination