1. Because of my sickness, I do not go out.
2. Because of the polluted water, we can't swim in that river.
3. Because of his sore leg, she has difficulty in walking.
4. Because of its snowing, we didn't go out for a walk.
5. Because she is having a lot of difficulties, so she managed to sell her house.
6. Because he has a serious sick, he couldn't come to the class.
7. Because they performed well, they won the first prize.
8. Because of the cold weather, they had to cancel their picnic.
9. Because of their hard studying, they passed their TOEFL exam.
10. Because it was rained heavily so the traffic jam became more serious.
12. Because of her carelessness, she broke the cup.
Chúc bạn học tốt !