Choose the best option: Câu 38: Fruits’ festival in Suoi Tien Park is a very …. activity. A. joy B. joyous C. joyful D. B&C Câu 39: Look at the …. bulbs. They are so beautiful. A. colour B. coloured C. colourful D. B&C Câu 40: My …. are so strong that the word “love” can’t describe them. A. feel B. feeling C. felt D. feelings Câu 41: The …………. caused a lot of bad effects. A. volcanic eruptivity B. volcanic eruption C. volcano eruption D. volcano eruptivity Câu 42: Our …. have not warned our fishermen about the Changchun typhoon carefully. A. science B. scientist C. scientific D. scientists Câu 43: A ……….. eruption occurred here last night. A. disaster B. disastrous C. disasterative D. no answer is correct Câu 44: The beach is full of all kinds of ……. A. pollute B. pollution C. pollutants D. polluted Câu 45: He used all his …. to force the door open. A. strong B. strengths C. strength D. strengthen Câu 46: The police are interested in the sudden …. of the valuable painting. A. appear B. appease C. appeasement D. appearance Câu 47: My teacher ….. me to take this examination. A. couraged B. courage C. encouragement D. encouraged Câu 48: Recently health foods have increased in ….. A. popular B. popularity C. popularize D. popularization Câu 49: The old lady hid all her …. under the floor. A. save B. saving C. saver D. savings Câu 50: Your money will be refunded if the goods are not to your complete …. A. satisfy B. satisfactory C. satisfied D. satisfaction