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......

2 câu trả lời

`~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.}`

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