----- Nội dung dịch tự động từ ảnh ----- 4. Residents of villages were taken to a safe place last night. A. flood B. flooding C. flooded D. floody 5. Some people were injured in the snowstorm. A. serious B. seriously C. seriousness D. unseriously 6. An active may erupt at any time. A. volcano B. volcanic C. volcanical D. volcanically 7. Rescue workers have freed people in houses. A. collapse B. collapsing C. collapsable D. collapsed 8. The power of modern weapons is very terrible. A. destroy B. destruction C. destructive D. destroyed 9. There will be a rainstorm next week. A. power B. powerful C. powerless D. powerly 10. The forest fire caused damage. D. extensively A. extense B. extensive C. extension Exercise 4: Choose the most suitable preposition to fill in the blanks. 1. Volunteers gave food and clothing to homeless people. D. after C. off A. in B. out local people's property. 2. The earthquake caused serious damage C. to D. out A. in В. of a safe place. 3. Homeless people have been taken D. to C. on A. at B. for 55