III. Choose the best answer. 7. The dollar is the unit of of the United States. A. current B. nation C. currency D. worship 8. We are really by the beauty of Ha Long Bay. A. impress B. impressing C. impressed D. to impress 9. His made us happy. A. unfriendly B. friendly C. unfriendliness D. friendliness 10. Can you tell me how many chapters this book consists A. of B. to C. with D. in 11. We’ve with each other for years but I’ve never met him. A. corresponding B. corresponded C. correspondence D. correspond 12. Viet Nam into three regions: the North, the Center and the South. A. divides B. divided C. is divided D. are divided 13. Hinduism is the official in India. A. language B. religious C. religion D. region 14. Wearing seat belts in cars is by law. A. optional B. compulsory C. avoidable D. enjoyable 15. He wishes he the richest man in the world. A. will be B. were C. is D. be 16. The last time I to the dentist was 6 months ago. A. went B. have gone C. go D. going