1.They have cancelled all of the flights because of the thick fog -> all of the flights……
2.jennifer went to the dentist because she had a toothache -> Because of…….
3. It took the mechanics three hours to fix that car -> The mechanics spent……
4. A friend is coming to visit me. I stayed with him at university -> The friend whom……
`~rai~`
`text{1.All of the flights have been cancelled because of the thick fog.}`
`text{2.Because of having a toothache,Jennifer went to the dentist.}`
`text{3.The mechanics spent three hours fixing that car.}`
`text{4.The friend whom I stayed with at university is coming to visit me.}`
1.All of the flights have been cancelled because of the thick fog.
2.Because of having a toothache,Jennifer went to the dentist.
3.The mechanics spent three hours fixing that car.
4.The friend whom I stayed with at university is coming to visit me.