Chương 46.5 Adverb clauses of purpose

IV.

1. Jim had to give up jogging because of his severely sprained ankle.
2. The water in most rivers is unsafe to drink because of its pollution.
3. We had to stay in London an extra day because of the fog at the airport.
4. Bill has to do all of the cooking and cleaning because of his wife's illness.
5. We all have received the best of everything because of our parents' generosity.
6. I couldn't get to sleep last night because of the noise in the next apartment.
7. John has to sit in the front row in class because of his poor eyesight.
8. We stopped our car because of the red traffic lights.
9. She couldn't see the road because of the high wall.
10. We postponed our trip because of the bad driving conditions.
11. Sarah won't walk across a bridge because of her fear of heights.
12. Mark's doctor has advised him to exercise regularly because of his overweight.
13. Piranhas can devour an entire cow in several minutes because of their extremely sharp teeth.
14. Most students couldn't do the final exam because of its difficulty.
15. John succeeded in his exam because of his hard and methodical work.