2 and 3 are correct.
There's one comma missing from the first one.
using commas
While they watched the match Anita clapped, cheered, and kept score.
Travis and Nick watched a number of different matches, but Anita followed Fergas.
He was signing autographs, and Anita was first in line.
3 answers
Jack and Jill watched a bunch of different soccer games, but Riccardo’s favorite was the Valencia Vixens.
While they watched the match, Anita clapped, cheered, and kept score.
Travis and Nick watched a number of different matches, but Anita followed Fergas.
He was signing autographs, and Anita was first in line.
Travis and Nick watched a number of different matches, but Anita followed Fergas.
He was signing autographs, and Anita was first in line.