1. Because I am sick, I don’t go out. Because of ________________________________________________ 2. Because the water is polluted, we can’t swim in that river. Because of ________________________________________________ 3. Because Nga had a sore leg, she had difficulty in walking. Because of ________________________________________________ 4. Because it was snowing, we didn’t go out for a walk. Because of ________________________________________________ 5. Because of having a lot of difficulties, she managed to sell her house. Because ________________________________________________ 6. Because of his serious sickness, he couldn’t come to the class. Because ________________________________________________ 7. Because of their good performance, they won the first prize. Because ________________________________________________ Because the weather was cold, they had to cancel their picnic. Because of _______________________________________________________ They passed their TOEFL exam because they studied hard. Because of_________________________________________________________ Because of the heavy rain, the traffic jam became more serious. Because _____________________________________________________ 12.. She broke the cup because she was careless. => Because of__________________________________________________________