Practice Unit 6 B. Task I. Choose the best answer A, B, C, or D to complete the sentences. 1. I think most children creative to write ……………….poems. A. beautiful B. beautifully C. beauty D. beautify 2. Is he really ……….that you can come there? A. to disappointed B. disappoint C. disappointed D. disappointing 3. This newspaper is ……….everyday. It’s a daily newspaper. A. publish B. publishing C. to publish D. published 4. He shout and look at me ………….when I broke the vase. A. angrier B. angrily C. angry D. anger 5. Unless you understand, I ………………….explain it again to you. A. will B. am C. would D. was 6. If you know where she live, please let me ………… . A. to know B. known C. knew D. know 7. ……… you are interested in that film, don’t go to see it at any cost. A. so B. because C. if D. unless 8. The accident happened because of driving……………… . A. careful B. carefully C. careless D. carelessly 9. She was ………… because of her bad result. A. happy B. unhappy C. happily D. unhappily 10. She has……………….provided a picnic lunch for us. A. kind B. unkind C. kindly D. kindness 11. If the ……………continues, what will happen? A. pollute B. pollution C. polluted D. pollutant 12. I was very……… that you won the first price. A. amazed B. amaze C. amazement D. amazing 13. If he is carefully, he……………….get good marks. A. must B. will C. could D. would 14. I won’t go unless you…………… me the money back. A. pay B. to pay C. paying D. paid 15. He is tired now…….he played soccer in the afternoon. A. and B. but C. so D. because II. Complete the sentences with the appropriate form of the words in brackets. 1. Ba always studies his lesson ……………………before each exam. ( care) 2. He is ………………… .that he didn’t win the race. (disappoint) 3. Her children have made her ………………… all day. (business) 4. He has a beautiful………………….… of stamp. (collect) 5. Air ………… ….is one of the most serious problems in big cities. (pollute) 6. Try to give as much details as……………….….in your answers. (possibility) 7. The snow prevented the plane from…………….……… off. (take) 8. He plays the piano very ……………………….… (good) 9. If you meet Nam, give him my………………… on his success. (congratulate) 10.What make us worried most is they use ……………… to catch fish (electric) III. Rewrite 1. Keep your neighborhood clean and you will have an ideal place to live. If……………………………………………………………………………. 2. We couldn’t keep on clearing the beach because of the heavy rain. Because it…………………………………………………………………… 3. You did nothing to conserver the environment and it made me disappointed. I was………………………………………………………………………… 4. We cannot swim in that part of the river because the water is polluted. Water pollution prevented……………………………………………………. 5. He is more persuasive speak than his brother. He speaks……………………………………………………………………. 6. He ate too much, so he had a stomachache. He had a stomachache……………………………………………………… 7. It’s raining heavily outside, so you’d better take a taxi You’d better take a taxi……………………………………………………… 8. Since he was ill, he didn’t go to school yesterday. He didn’t go to school yesterday…………………………………………… 9. Unless you water the plants, they will die. The plant will die if ………………………………………………………… 10.“Why don’t you go to the dentist, Tom” Mary suggested Tom ………………………………………………………. IV. Find and correct mistake. 1. The children laughed happy when they heart the funny story. 2. Last week Hung had an accident because his carelessness. 3. If the street will be full of trash, we’ll heap it and burn it down. 4. I’m amazing that Nga won the first prize in the language contest. 5. Land polluted is now a serious problem in many parts of the world. V. Put the verb in correct tense. 1. While I (clean)………………. the floor, I found some old letters. 2. Before we could say anything, they (admit)…………………………… 3. He (pay)…………………….a visit to Halong Bay in 1976 4. About a year ago (be)…………………elected president of a big company and he (not, have)…………………a holiday since then. 5. Yesterday my father(buy)…………………a new watch because his old one (be)……………….stolen. 6. He sometime asked himself what ( happen )…………………….to the street if the spring did not come at last. . didn’t win the race. (disappoint) 3. Her children have made her ………………… all day. (business) 4. He has a beautiful………………….… of stamp. (collect) 5. Air ………… ….is. 4. About a year ago (be)…………………elected president of a big company and he (not, have)…………………a holiday since then. 5. Yesterday my father(buy)…………………a new