The following question has four different sentences. Select the most preferable sentence with respect to grammar, meaning, and usage. If all four sentences are correct or all of them are incorrect, mark "option 5" as your answer.
1
He was dressed in black, and had a very pleasant face.
2
He, therefore, put the finances in the best order he could, and set himself to mitigate the evil effects to the war by obtaining an early peace.
3
I've have a miserable cold for the past week.
4
They're afraid which we might aggravate an already bad situation.
5
All are incorrect