16. Many rate of animals are in ________ of extinction. A. dangerous B. endangered C. danger D. dangerously 17. I’ve ________ out of milk. Would you like some creamer instead? A. changed B. put C. run D. got 18. _______ fuels – oil, natural gas, and coal – are sources of energy that have developed within the earth over millions of years. A. Fossil B. solid C. unleaded D. smokeless 19. People use ________ to run machines, heat and cool their homes. A. windmills B. demand C. pollution D. energy 20. ____ energy uses natural sources of energy such as the sun, wind, or water for power and fuel, rather than oil, coal, or nuclear power. A. Alternative B. Solar C. Electricity D. Hydropower 21. All post offices in Vietnam are equipped with advanced ________. A. science B. knowledge C. machines D. technology 22. We offer the best services with a ________ staff, who are always thoughtful and courteous _______ customers. A. well-trained/ to B. well-behaved/ for C. well-train/ to D. well behave/ for 23. We call a man who delivers the mail a ________. A. newsman B. mailbox C. mailman D. officer 24. This hotel has got a very _______ kitchen. A. space B. spaciously C. spacious D. spaciousness 25. If you _______ to your favorite newspapers and magazines, they will be delivered to your house in the morning A. book B. pay C. buy D. subscribe 48. The woman of whom the (A) red car is parked (B) in front of (C)the bank is a famous pop (D)star. 49. He is the second (A) person be killed (B) in (C) that way. (D) 50. They work (A) in (B) a hospital sponsoring (C) by (D) the government.