III/ Supply the correct tenses or forms of the following words in brackets.
23. Don’t leave the light on. It wastes ________________. (electric)
A. electrical B. electricity C. electrician D. electric
24. Our team wonthe game because we played very _________________ (good).
A. well B. good C. goods D. best
25. You should __________ speaking and listening English every day. (practice)
A. practical B. practice C. practicing D. practiced
26. It’s a very simple question. You can _____________answer it. (easy)
A. easiness B. easily C. easy D. easiest
27. He _______________a book since last year (write)
A. wrote B. write C. writes D. written
28. We should save ______________ resourses. (nature)
A. nature B. natural C. naturalize D. naturally
29.The river is very _________________ for swimmers. (danger)
A. dangerous B. danger C. dangerously D. endanger
30. Ho Chi Minh city is an important_______________ center. (commerce)
A. commercialize B. commerce C. commercially D. commercial
