EXERCISE I/. 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 (1)____the - United States use enough disposable diapers (2)_____to the moon and back seven times. If you (3)____disposable products, use products made from (4)_____ materials. Also, recycle whenever possible. Recycling on aluminum can saves (5)_____energy to run a TV (6)_____three hours. disposable (adj) dùng một lần          diaper (n) tã lót aluminum (n) nhôm 1. a. in               b. at               c. on             d. from 2. a. reach         b. reaching        c. to reach      d. for reaching 3. a. have            b. use             c. sell           d. hold 4. a. recycle        b. recycles       c. recycling     d. recycled 5. a. enough        b. too               c. very         d. much 6. a. on                 b. at               c. of              d. for II/. Read the following passage and choose the item (a, b, c, or d) that best answers each of the questions about it. You can recycle many types of glass. Glass food and beverage containers can be reused and recycled many times. (In fact, only bulbs, ceramic glass, dishes, and window glass can't be recycled.) Glass is made from soda ash, sand, and lime. If it's thrown away, it stays there indefinitely because glass never breaks down into its original ingredients. To be recycled, glass is sorted by color, crushed into small pieces, and melted down into a liquid. Then, it is molded into new glass containers. lime (n) vôi               indefinitely (adv) vĩnh viễn              sort (v) phân loại 7. Which of the following can be recycled? a. glass food and beverage containers              b. bulbs c. ceramic glass                               d. dishes and window glass 8. What does the word 'reuse' in line 2 mean? a. use something again                b. use all of something c. throw something away              d. not buying things which are overpackaged 9. Glass _______. a. is made from soda ash, sand, and lime b. stays there indefinitely if it's thrown away c. never breaks down into its original ingredients d. all are correct 10. What does the word 'its' in line 5 refer to? a. glass              b. soda ash          c. sand               d. lime 11. When people recycle glass, they_______. a. sort it by color and crush it into small pieces b. melt it into a liquid c. mould it into containers d. all are correct III. Change sentences into the passive (Present simple): 1. Mr Hai delivers the letters everyday. - 2. The children often buy the tickets at the box office. - 3. They usually finish their homework before bed time. - 4. The teacher corrects our exercises today. - 5. We often watch the shows of music on TV . - 6. We do a written test today. - 7. Everyone always see the Picasso's exhibition . - 8. The workers clean the streets everyday. - 9. Careless driving causes many accidents. - 10. Weeds cover the river bank. - IV. Change sentences into the passive ( Future simple). 1. Mrs Allen will write that novel next year - 2. Nam will borrow the reference book from the shelf. - 3. The boy will eat two loaves of bread tomorrow. - 4. He will leave the letter on the desk. - 5- My mother will buy a new bike for me next month. - 6- Our form teacher will return our written test to us next lesson. - 7- Vietnamese will plant trees in their neighborhood next year. - 8- The children will play games tomorrow. - 9- My sister will do the housework. - 10- The publisher will publish his book in 2023 - 11- They will repair our desk during next summer. - 12- Jack London will write his novel. -