Part II. Circle the odd one out. 1. a. palace b. skyscraper c. UFO d. houseboat 2. a. reduce b.replace c. reuse d. recycle 3. a. wireless b. creative c. heavy d. laundry 4. a. might b. help c. water d. guard 5. a. rubbish b. litter c. fridge d.trash Part III. Choose the correct answer a, b, c, or d. 1. In the future, many cars will run electricity, which doesn’t cause air pollution. a. in b. on c. by d. with 2. You should turn the tap when you brush your teeth to save water. a. up b. down c. on d. off 3. You should donate your old clothes, toys and furniture to people in . a. order b. fact c. need d. case 4. robots can help to teach children in the classroom, they will never replace teachers. a. When b. Although c. Because d. If 5. robots be able to feel and behave like us? a. Will b. Can c. Do d. Are 6. There are lots of problems nowadays, mainly because of pollution. a. natural b. social c. practical d. environmental 7. In the future, we go on holiday to the Moon or other planets. a. could b. must c. might d. should 8. Robots make car manufacturing because they can take on dangerous jobs in place of humans. a. stronger b. safer c. larger d. heavier 9. To waste we should avoid buying products with a lot of packaging. a. recycle b. reuse c. reduce d. remake 10. ‘Will robots be more and more expensive?’ Prices will become cheaper over time.’ a. Not at all. b. Sure. c. Sounds great! d. I think so