Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. really B. death C. head D. bread 3 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. label B. bulb C. plumber D. profitable 4 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. biogas B. solar C. hover D. metro 5 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. biogas B. hydro C. solar D. environment 6 Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. comic B. collection C. concert D. volunteer 7 Choose the best option A, B, C or D to complete the sentences below. A hydropower station ----------- in the North of the country next year. A. will be building B. were built C. will be built D. was built 8 Choose the best option A, B, C or D to complete the sentences below. At this time next week, we ----------- a wind turbine in our garden. A. will be installed B. install C. will be installing D. will install 9 Choose the best option A, B, C or D to complete the sentences below. When using a -----------, you can do anything you like such as reading or sleeping. A. driverless car B. high-speed train C. mono wheel D. solar-powered car 10 Choose the best option A, B, C or D to complete the sentences below. ----------- source of energy is the source that can’t be replaced after use. A. Effective B. Natural C. Non-renewable D. Renewable 11 Choose the best option A, B, C or D to complete the sentences below. ----------- is Elephant Race Festival celebrated? - In Dak Lak. A. When B. What C. Why D. Where 12 Choose the best option A, B, C or D to complete the sentences below. We should put ----------- on our roof for the heating and hot water. A. equipment B. solar energy C. sun D. solar panels 13 Choose the best option A, B, C or D to complete the sentences below. The village always ----------- its harvest festival in the spring. A. takes B. joins C. holds D. makes 14 Choose the best option A, B, C or D to complete the sentences below. When there is a traffic jam, it ----------- me a very long time to go home. A. takes B. lasts C. costs D. spends 15 Choose the best option A, B, C or D to complete the sentences below. Hurry up or we can’t ----------- the last bus home. A. keep B. follow C. go D. catch 16 Choose the best option A, B, C or D to complete the sentences below. The government will have to find a solution to reduce traffic jams, -----------? A. will it B. isn’t it C. does it D. won’t it 17 Choose the best option A, B, C or D to complete the sentences below. The ----------- of accommodation is not easy to solve, is it? A. shortness B. short C. danger D. shortage 18 Choose the best option A, B, C or D to complete the sentences below. Wave energy is a source of ----------- energy. A. environmentally friendliness B. environmental friendly C. environmentally friendly D. environment friendly 19 Choose the best option A, B, C or D to complete the sentences below. The cars which are generated by solar energy are called ----------- cars. A. solar-wasted B. solar-daily C. solar-powered D. solar-friendly 20 Choose the best option A, B, C or D to complete the sentences below. Immigration resulted in overpopulation in Thailand, ----------- ? A. did it B. didn’t it C. wasn’t it D. was it