7. Because of his bad behavior, he find himself in trouble.
8. Because of her careless, she broke the cup.
9. Because of the polluted water, we can't swim in that river.
10. Because of the heavy rain, we postponed the picnic.
11. Because there is too much exhaust fume, people have to wear gauze masks in the streets.
12. Because of the combined chemicals, the prescription has brought about the expected result.
13. Because of the interesting movie, she enjoyed it so much.
