1.She went to bed early because she felt tired

-> because of ......

2.she stayed at home beacuse her mother was sick

-> because of .....

3.She like him because of his kindness

-> because ......

4.the train was late because of the thick fog

-> because ......

5.the plane couldn't take off because of the bad weather

-> because of .....

6.he can't come because of his illness

-> because .......

7.we can't sleep because the weather is hot

-> because of ...........

8. l can't study because it is noisy

-> because of ..........

9.we didn't go to school because it rained

-> because of.........

10. he came late because of raining

-> because