(Mrs Li and Kitty) are in a big shop.对括号内提问 为什么,求祥解,不知道是用who is ,还是who are

问题描述:

(Mrs Li and Kitty) are in a big shop.对括号内提问 为什么,求祥解,不知道是用who is ,还是who are

个人觉得是用who is
引文你不问的话,不知道里面几个人.