II. Complete sentences using the correct form of the words in brackets.
12. We must learn about keeping our environment ................................ (pollute)
13. Help is immediately sent to the ............................... of the earthquake. (survive)
14. ................................ are doing their best to save the species from dying out. (Environment)
15. These ...................................... will conserve the earth’s resources. (innovate)
16. The President’s New Year speech is going to be broadcast ............................... (nation)
17. We can protect the environment by .......................... air pollution. (reduce)
18. He failed because he answered all my questions ................................ (logic)
19. Wearing uniforms encourages students to be ....................... of their school. (pride)
20. He can’t pay attention to the lecture due to his ............................ (sleep)
21. It's ................................ of you to say that. You know it isn't true! (honest)
22. We must test the ............................ of the water. (pure)
23. Three firms are in ................................... for the same contract. (compete)
24. She is extremely ................................. about the history of art. (know)
25. I’m applying for .................................. of this club. (member)
27. What I hate most about Tom is his ................................ (rely)
28. The boy was not ............................ enough to admit his mistake. (courage)
29. This is Alexandra, my personal .............................. (assist)
30. The police asked me to give a .............................. of the suitcase I had lost. (describe)