III. Supply the correct form of the words in brackets to complete the following sentences. (1pt) 16. The film is so…………that I have seen it twice. (INTEREST) 17. Air ………….. is one of the problems that people have deal to with. (POLLUTE) 18. My teacher teaches ………….. sciences. (NATURE) 19. The gas from the chemical factory was ……………... (HARM) 20. She got the………… from the library. (INFORM) III. Choose the best underlined word or phrase in each sentence that needs correcting.(1pt) 21. I enjoy to collect stamps in my free time . A B C D 22. Her teacher encouraged her taking part in the competition. A B C D 23. If he knew her address, I will write to her. A B C D 24. The man asked us not play near the lake. A B C D 25. The exercises were such difficult that I couldn’t do them. ( giúp em với ạ hép hép ) A B C D