1. The Imperial City in Hue is the greatest............ A. tourist attraction. C. tour attraction B. tourist attractions. D. attraction tourist 2. The air in this area is........ with smoke from factories A. fresh B. noisy. C. polluted. D. clean 3. Which is..., the West Lake or the Sword Lake? A. large. B. larger. C. largest. D. the largest 4. Where are you, Hai?-I'm downstairs. I..........to music A. listen. B. to listen. C. am listening. D. listening 5. .......morning exercise is good for your health A. Having. B. Playing C. Studying. D. Doing 6. My children often........... to school by bike everyday A. go B. goes. C. is going. D. are going

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