Supply the correct form of the words in the brackets: 5. Take these old newspapers to the __________ bin. (recycle)

19. Hoa is “green”. She tries to avoid using _______ bags. A. plastic B. reusable C. recycled D. paper

Supply the correct form of the words in the brackets: 4. _________ TV helps us watch TV programmes from space. (wire)

11. The smallest __________ in the world is Australia. A. continent B. ocean C. country D. city

14. There are a lot of clouds on the sky so it _______ rain later. A. might B. might not C. should D. shouldn’t

7. When you go swimming, you should wear _________ to protect your eyes. A. pedals B. skis C. goggles D. racket

A. voice B. noisy C. town D. coin

Supply the correct form of the words in the brackets: 3. The second question was more ____________ than the first one. (difficulty)

12. Eiffel Tower is a famous ____________ in Paris. A. architecture B. creature C. landmark D. capital

6. Worker robots are good at __________ heavy things. (lift)

20. We can ______ bottles by using them again. A. reduce B. reuse C. recycle D. refill

16. A _________ is a large vehicle designed for people to live and sleep in when they are travelling. A. robot B. motorhome C. houseboat D. skyscraper