?一对夫妇

2．解析 联系下文的“The man”和“my wife”可知，走进这家宠物店的是一对夫妇(a couple)。再由“my wife”和“It said she was ugly.

?一对

冠词 ... a lot of许多 a couple一对 a great many很多 ...

?夫妻

... 一对夫妇/夫妻 A couple 一对夫妇只生一个孩子 one child per couple 一对新婚夫妇 a newly-married couple ...

?夫妻俩

夫妻俩(a couple), 此释义来源于网络辞典。