17. When you have flu, you might have a cough and a C. flowing A. runny B. running 18. Look at those students. They are picking environment. nose. D. noisy used bottles to help save the B. from C. up A. on D. at 19. Choose the words(s) which is CLOSEST in meaning to the underlined word(s) in the following sentences. We tutor 5 young children in grade 6 every weekend. D. give C. plant B. teach A. like 20. Choose the word(s) which is OPPOSITE in meaning to the underlined word(s) in the following sentence It's quiet and there's a lot of fresh air in the countryside C. rainy B. busy A. sunny D. noisy