_______ your math teacher? Mr Zhao.A. What's B. Who's C. Where's
This is a ____.A.chairs B.chair C.chair’s
This is ____ desk.A.he B.he’s C.his
____is my pen ? I can’t find it.A.Where B.What C.When
Is it____ book ?A.Steven B.Steven’s C.Stevens’
____ pen is it ? Look.It’s Lucy’s.A. Who B.Whose C.What