Whose umbrella is this?

这是谁的雨伞？

It's Miss White' s umbrella.Her umbrella is green.

它是怀特老师的雨伞。她的雨伞是绿色的。

Whose trousers are these?

这是谁的裤子？

They are Dad's trousers.His trousers are blue.

它是爸爸的裤子。他的裤子是蓝色的。