Title 17. TEST FOR U 101112.docx ✅

4. A. development B. effective C. advancement D. improvement 5. A. appearance B. unlimited C. available D. alternative 6. A. driver B. pilot C. sailor D. lorry 7. A. local B. national C. speaker D. native 8. A. different B. value C. benefit D. advantage 9. A. friendly B. helpful C. abundance D. caring 10. A. tourist B. anniversary C. celebration D. festival Exercise 4. Choose the correct answers. 1. There are already some types of ______________ sources of energy, such as the wind, the sun, and the waves. A. changeable B. alternative C. cheap D. costly 2. This is Mr. and Mrs. Cruise, those are ______________ kids. A. they B. them C. theirs D. their 3. People will reduce energy ______________ as much as possible. A. consume B. consumption C. expense D. expenses 4. Nuclear power is expensive and dangerous ______________ our environment. A. for B. to C. in D. with 5. Scientists are looking for clean, cheap and ______________ sources of energy. A. effective B. effect C. effectively D. effectiveness 6. Low energy light bulbs should be used to ______________ electricity. A. spend B. buy C. convert D. save 7. We must ______________ the amount of water our family uses every day. A. lower B. reduce C. lessen D. narrow 8. Next month we ______________ to Hoa Binh and have a holiday for a week. A. will go B. will going C. will be gone D. will be going 9. I will give ______________ presentation on non-renewable energy tomorrow. A. the B. an C. a D. X 10. Fossil fuels are very common in our society but they ______________ our planet. A. renew B. provide C. pollute D. waste