—________

⑴Is it in your bag？        

⑵Where is my car?         

⑶What's in the desk?      

⑷Have a good time.       

⑸Who's that boy?         

A.He's my brother.

B.Yes, it is.

C.Thanks, Mum.

D.My ruler.

E.It's under the chair.

—Yes，I do.   

—________

—________

— （Who's/Where's）this boy?

— He is my friend.

— Who's this （boy/girl）?

— She is my sister.

— Is she your （mom/dad）?

— Yes.