4. A. impatient​​​B. impolite​​C. unhealthy​​D. unlucky 5. A. repetitive​​ B. ability​​C. infinitive​​D. nationality 6. A. impatient​​ B. impolite​​C. unhealthy​​D. unlucky 12. - Mi: How about giving a presentation about water and air pollution? - Nick: ________ ​A. I dont know.​B. Thats a good idea. C. Thanks.​​D. No, I dont.​ 18. If she finishes the work, she will goes home early.​ A B C D​ 19. A: I think if people travel to work by bus, there will be fewer car fumes. ​​B: _______. ​A. Its a good idea. ​B. Yes, I do.​​C. Thats right.​D. No problem. 20. - Ba: Do you think we will live on the other planet in the future, Nam? - Nam:................... A. No, I dont. ​B. Never mind. C. Yes, I will. D. No, thanks. II. Supply the correct form or tense of the verbs in brackets. 1. Dont forget ___________ off the computer. ( turn ) 2. This time next Sunday, we _________dinner at home. ( not have). 3. Carlos _____________ home before we arrived. ( go) 4. Dont forget ___________ my letters at 4.30. ( post) 5. This time tomorrow, we _________ computer game at home. ( play ). 6. If I were you, I _____________ waste into the lake. ( not dump)