The twins were filled with excitement as they thought of the surprise they were planning for Mother’s Day. How pleased and proud Mother would be when they brought her breakfast in bed. They planned to make French toast and chicken porridge. They had watched their mother in the kitchen.

There was nothing to it. Jenna and Jeff knew exactly what to do. The big day came at last. The alarm rang at 6 a.m. The pair went down the stairs quietly to the kitchen. They decided to boil the porridge first. They put some rice into a pot of water and left it to boil while they made the French toast. Jeff broke two eggs into a plate and added in some milk. Jenna found the bread and put two slices into the egg mixture. Next, Jeff turned on the second stove burner to heat up the frying pan. Everything was going smoothly until Jeff started frying the bread. The pan was too hot and the bread turned black within seconds. Jenna threw the burnt piece into the sink and put in the other slice of bread. This time, she turned down the fire so it cooked nicely.

上面的内容摘自2021年新高考英语的全国卷I的读后续写材料的最前面两段。

从上下文来看，加粗部分的 the pair 应该是指句子开头的 the twins，我的疑问是：双胞胎可以称为pair吗？pair 不是用来表示夫妻或配偶的吗？