1) We ______ use solar energy more. a) should b) shouldn't 2) You ______ drink a lot of water. a) should b) shouldn't 3) You _______ go to bed late. a) should b) shouldn't 4) We ______ plant more trees. a) should b) shouldn't 5) You _______ eat a lot of junk food. a) should b) shouldn't 6) You _______ play video games all day. a) should b) shouldn't 7) We _______ throw away rubbish into the sea. a) should b) shouldn't 8) You ______ go to the dentist once a year. a) should b) shouldn't 9) We _______ kill animals for sport. a) should b) shouldn't 10) You ______ wear sunblock when outside on a hot day. a) should b) shouldn't 11) You ______ do some exercise. a) should b) shouldn't 12) You _______ watch a lot of TV. a) should b) shouldn't 13) We ______ turn off the lights when we don't need them. a) should b) shouldn't 14) You _______ play with fire. a) should b) shouldn't 15) You _______ smoke. a) should b) shouldn't 16) We ______ use electric cars. a) should b) shouldn't 17) We ______ turn off the tap when we don't use it. a) should b) shouldn't 18) We _______ waste paper. a) should b) shouldn't 19) You ______ eat a lot of fruit. a) should b) shouldn't 20) You _______ drink a lot of soda. a) should b) shouldn't 21) You ______ sleep eight hours every day. a) should b) shouldn't 22) You should ______ the dentist once a year. a) travel b) drink c) visit d) play 23) You should ______ eight hours a day. a) go b) stay c) brush d) sleep 24) You should ______ your hands before every meal. a) wash b) watch c) work d) walk 25) You shouldn't ______. a) eat b) smoke c) play d) work 26) You should ______ some exercise every day. a) do b) make c) run d) walk 27) You shouldn't ______ to bed late. a) sleep b) go c) visit d) work 28) You shouldn't ______ too much alcohol. a) disgust b) spill c) eat d) drink

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