5. I suggest making posters on energy and hanging them around our school.
6. My friend wants to go home because she feels sick.
7. Because Lucy was lazy, she failed the exam.
8. If we don't reduce the use of water and electricity, we’ll have to pay more this month.
9. If I were you, I would take exercise regularly because that’s the way to get fit.
10. I suggest you should install a burglar alarm in your house.