IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces. Don’t use disposable products. In a single year, people (21)____the - United States use enough disposable diapers (22)_____to the moon and back seven times. If you (23)____disposable products, use products made from (24)_____ materials. Also, recycle whenever possible. Recycling on aluminum can saves (25)_____energy to run a TV (26)_____three hours. disposable (adj) dùng một lần diaper (n) tã lót aluminum (n) nhôm 21. a. in b. at c. on d. from 22. a. reach b. reaching c. to reach d. for reaching 23. a. have b. use c. sell d. hold 24. a. recycle b. recycles c. recycling d. recycled 25. a. enough b. too c. very d. much 26. a. on b. at c. of d. for