翻訳してくださいテストです。
閉店間際のスーパーで買い物を済ませて出ようとしたところに、
母親＋兄（小３くらい）＋妹（園児くらい）の３人がちょうど自分と
同じタイミングで出てきた。
(翻訳してくださいテストです。)
I had just finished with my shopping and was leaving the supermarket nearly at its closing hour, when I saw a mother, her son (in the third grade or so) and his little sister (probably in kinder) coming out of the store almost the same time as I did.
