She is an girl and she always speaks to others .
--_______students are there in your class,Mr Li? --Fifty.
---How’s your mum? ---She’s ________.
---What color_____ the cats? ---I think ________white and black.
-- Where are the_____?-- They are on the desk.
It’s _______black. It’s _____black car. A…./… B.a/… C…./a D.a/a