`6. `The plane couldn’t take off because the weather was bad.
`->` Because of the bad weather, the plane couldn’t take off.
`7. `She stayed at home because her mother was sick.
`->` Because of her sick mother, she stayed at home.
`8. `He didn’t leave school even though his family was poor.
`->` Despite the fact that his family was poor, he didn't leave school.
`9. ` All the teachers love him because his conduct is good.
`->` Because of his good conduct,all the teachers love him.
`10. `The flight was not delayed though it was foggy.
`->` Despite the foggy, the fight was not delayed.