Test unit 7

UNIT 7: SAVING ENERGY
I. Choose the best answer:
1. Fossil fuels-oil, gas and coal-are (renewable/ non-renewable/ replaceable/ repayable) because they can’t be replaced quickly & easily.
2. Solar energy, air &water are usually called renewable because there is a(n) (limited/ restricted/ confined/ unlimited) supply.
3. Scientists are looking for measures that help us save money as well as (keep/ spend/ conserve/ deserve) the Earth’s resources.
4. Incoming tides can be tapped behind a damp across a bay or an estuary to make (wind pacer/ solar energy/ nuclear energy/ tidal power)
5. I didn’t understand the grammar lesson thoroughly, (and/ so/ but/ or) I asked my teacher for help.
6. We were worried when we didn’t (heard/ heard by/ heard from/ heard of) him for four weeks.
7. (However/ Although/ But/ And) I had had my breakfast an hour earlier, I felt very hungry.
8. Sam is very sociable. He takes (care/ to/ often/ over) his mother in this respect).
9. I ran (across/ to/ out of/ in) an old friend when I was going shopping yesterday.
10. This dress is beautiful but I can’t wear it because I have put (in/ out/ into/ on) a lot of weight.
11. I’ve run (out/ out of/ into/ across) coffee, will you have tea?
12. I come (up/ across/ round/ in) this gold ring as I was cleaning behind the sofa
13. Tom was so ill that his parents had to send (for/ to/ off/ in) a doctor.
14. She’s gradually getting (up/ on/ into/ over) a bad cold, which kept her off work for a week.
15. It’s very cold in here. Do you mind if I turn (off/ on/ in/down) the heating?
16. Mrs. Ha suggested (getting/ to get/ get/ got) a plumber to check cracks in the pipes.
17. (Since/ However/ Although/ Because) the teacher was in a hurry, he stopped to answer his student’s questions.
18. Sorry I’m late. My motorbike (broke in/ broke down/ broke up/ broken up)
19. Let’s (play/played/playing/plays) basketball for a change. He suggested (play/ to play/ playing/ played) basketball
20. Don’t throw trash everywhere. Put it in the (bags/ boxes/ garbage bins/ cans) over here.
II. Mistakes:
1. The bookshop sold in all the copies of his latest novel within four.
2. Our manager suggested that we would work overtime this week.
3. I finally heard about Henry last week. He phoned me from work.
4. The books we borrowed are overdue, but we should return them immediately
5. We were young & inexperienced; however, we made a lot of
6. Tom suggested saying at home & play chess instead.
7. He talked to Ann throughout the evening, so nothing he said changed her opinion.
8. She accidentally cut in our talk when she pressed the wrong button.
9. His son’s sudden death was a terrible sock & it took him a long time to get up