Joe kept pace with is brother as they were running around the track until he became too tired and had to stop Which sentence is correct I the vague pronoun problem in the sentence? Check all that apply.

He kept pace with his brother as they were running around the track until he became too tired and had to stop.

Until Joe became too tired and had to stop, he can’t pace with his brother as they were running around the track.

Joe cat pace with him as they were running around the track until he became too tired and had to stop.

It’s all he became too tired and had to stop he catch pace with his brother as they were running around the track.

Until his brother became too tired and had to stop, Joe kept pace with him as they were running around the track.