Giúp mình nha cảm ơn mọi người

Rewrite these sentences by using "because of" 1. She can't work hard because she is very old. 2. He likes her because she is very beautiful. 3. he broke the vase because he was careless. 4. He left school because his life was hard. 5. I went to bed early because I feel tired. 6.Mary di ...