A

⑴Who are they?             

⑵Where did you live?        

⑶Is this your grandpa?       

⑷Did he learn Chinese ?     

⑸What's he doing?          

B

A.Yes, it is.               

B.They are my grandparents.

C.He's reading a book.     

D.No,he didn't.          

E.I lived in a small house.