Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
21. C. waste
22. B. difficult to understand
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
23. C. young ( trẻ )
24. D. started ( bắt đầu )
25. D. called ( gọi)
26. B. popular (phổ biến)
27. A. workers ( công nhân )