Question 23: Mrs Yen forgot to A. turn over B. turn off the faucet when she left for work. D. turn up sulphur and nitrogen C. turn down Question 24: Chemical and wastes from factories consist oxides that are dangerous for our health B. at D. On Question 25: Which one has the underlined part pronounced differently from the others? A. in A. played B. watched C, of C. passed D. washed of the blanks from 26 to 30.
