h W W DE F C d B. turn off C. go on D. look after Question III. Choose the letter A, B, C, or D which is closest in meaning to each of the following questions. (0.5pt) 21. Secondary students learn English at school. A. English is learnt at school by secondary students. B. English learnt at school by secondary students. C. English is learn at school by secondary students. D. English are learnt at school by secondary students. 22. Unless she works harder, she'll fail her exam. A. If she works harder, she'll fail her exam B. If she doesn't work harder, she'll fail her exam. C. If she doesn't work harder, she won't fail her exam. D. If she doesn't work harder, she won't fail her exam. Question IV. Choose the letter A, B, C, or D that needs correction in each of the following questions. (0.75pt) 23. I and my parents has been to Nha Trang for 2 years. A B C 24. Mr. Brown lives on 86 street in New York. A B C D D 25. My family spent an interested holiday in Sa Pa last summer. A B C D Question V. Read the following passage and choose the letter A, B, C, or D to fill in each of the numbered bla