Bài tập 3. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 1. Every few weeks new satellites_____into orbit. * 1 điểm a. are put b. is put c. are putted d. is putted 2. I (ought to) give up smoking. * 1 điểm a. should b. could c. may d. am going to 3. Try to____amount of fat in your diet. * 1 điểm a. reuse b. refill c. reduce d. recycle 4. It is_____ to park in the center of Newtown. * 1 điểm a. impossible b. impossibility c. impossibilities d. impossibly 5. I am delighted_____you passed your exam. * 1 điểm a. that b. to c. in order to d. so that 6. We will begin_____ a brief discussion of the problems * 1 điểm a. from b. with c. at d. on 7. Tree leaves____to wrap things. * 1 điểm a. should used b. should be used c. should been used d. should be use 8. _____is a wonderful natural fertilizer. * 1 điểm a. Compost b. Plastic c. Envelope d. Garbage 9. Glass is broken up, melted and made into new______. * 1 điểm a. silverware b. hardware c. ironware d. glassware 10.Is the rubbish______ every day? * 1 điểm a. collect b. collecting c. collected d. be collected