-- ________ do you play the piano?

-- At home.

[　　]

-- ________ is your mother?

-- The woman in a red dress.

[　　]

-- Welcome to our sports club. What can you play?

-- I can play ________.

[　　]

I have a nice coat. ________ coat is green.

[　　]

Don's ________ name's Harry Brown.

[　　]

-- ________ is your sister?

-- She is a secretary.

[　　]

-- ________ is the boy?

-- He's ten years old.

[　　]

My mother is ________ English teacher in a university in Beijing.

[　　]