你想知道这台计算机是不是约翰的，应该问（）

A.What's this

B.What's that

C.What's your name

A.Who’s this boy

B.Who’s that boy

C.Who’s that girl

B．What's her name

C．Is she Amy

B．Is he your friend

C．Is that boy your brother

A.Who's this girl

B.Who's that boy

C.Who's that man

A．o you like watermelons

B．o you like strawberries

C．Where is the pencilIs it under the chair

A．What are you

B．Who are you

C．Who is that

A．Where are you from

B．What's this

C．How are you

A．Is she your father

B．Is he your friend

C．Is he your father

A．What's that in English

B．What are those in English

C．What are these in English

A.Mike,isthatyourgrandma

B.Mike,isthisyourgrandpa

C.Mike,isthatyourgrandpa