根据所提供的答句，选择适当的问句

He’s my father．

A．Who’s he?

B．Who’s she?

C．Who’s this?

________ is that book?

A．Who’s

B．Who

C．Whose

根据所提供的答句，选择适当的问句

No, she’s my aunt．

A．Who’s she?

B．Is she your mother?

C．This is my uncle．

________ that boy your brother?

A．Who’s

B．is

C．Is

－________ sweater is it?

－It's Mr．Brown's．

A．Who's

B．What

C．Whose