我们必须在孩子们面前停止争吵。

We've got to stop ___fighting in front of the children.

我感觉很糟糕，因为我忘了买礼物，回到家后，我和妹妹吵了一架。

I felt terrible because I forgot to buy a present, and when I got home, my sister and I ___fought.

我的父母经常为钱争吵，这让我很不舒服。

My parents often ___fight about money, which makes me uncomfortable.