They have a big desk.对划线部分提问(They是划线部分)

问题描述:

They have a big desk.对划线部分提问(They是划线部分)
还有一个
Lin Hai and Lin Tao come from China.对划线部分提问(China是划线部分)

1.Who has a big desk?
2.Where do Lin Hai and Lin Tao come from?第一个为什么是用has啊Who + 单数, 所以用has如: Who is on duty today?