I. Choose and circle the word or phrase (A, B, C or D) that best fits the blank space in each following sentence. 1. Chemical wastes from factories are _________ that cause serious damage to the environment. A. pollutes B. pollution C. pollutants D. pollute 2. Peter is so___________ that he never thinks of anything bad and unsuccessful. A. optimistic B. disappointed C. pessimistic D. honest 3. I try to help my mother ____________ housework in my free time. A. make B. do C. build D. take 4. Huong is talking to her father. Huong: “Dad! I have just won the first prize in the Olympic English Contest.” Mr. Hung: “__________________” A. Congratulations! B. That’s a good idea. C. Thank you. D. I’d love to. 5. The people ____________do not love nature may not love anything else in life. A. whom B. whose C. which D. who 6. Nam didn’t go to school yesterday, ____________? A. did Nam B. didn’t he C. did he D. didn’t Nam 7. The girl wishes she _____________ in Hue for the festival next week. A. had stayed B. stayed C. stays D. would stay 8. Jane wasn't at home when I arrived. She_________ have forgotten I was coming. A. will B. can C. need D. must