Using because of: 6 This boy is ignorant because he is lazy-> Because of.... 7 As he has behaved badly, he must be punished-> Because of...... 8 Since he was careless, Tim lost his job-> Because of.... 9 Jonh succeeded in his exam because he worked hard and methodically-> Because of.... 10 Margaret stayed home because her mother was sick-> Because of..... 11 I couldn't do the test because it was difficult-> Because of.... 12 I couldn't read the letter because it was dark-> Because of.... 13 He came late because it rained heavily -> Bbecause of..... 15 I can't sleep because the weather is hot-> ..........