III . Odd one out :
1. A. water B. coal C. natural gas D. oil
2. A. wind B. wave C. sun D. coal
3. A. limited B.unlimited C. plentiful D. abundant
4. A. hydropower B. panels C. cells D. solar
5. A. exhaustible B. overpriced C. expensive D. costly
III . Odd one out :
1. A. water B. coal C. natural gas D. oil
2. A. wind B. wave C. sun D. coal
3. A. limited B.unlimited C. plentiful D. abundant
4. A. hydropower B. panels C. cells D. solar
5. A. exhaustible B. overpriced C. expensive D. costly
1. D
2. D
3. A
4. B
5. A