--- How many students are there in your class? --- Forty,and ________ of us are girls.
Mum, ________is my friend, Tom. Tom,_______ are my grandparents.
—______ is your jacket ? —It’s _____ green .
I lost my dictionary, I must find it. Please call me _____ 944-5632.
—Excuse ______. Is this ______ book? —Yes, it’s_______.
— Is it _____ ring?— Yes. It’s Alice’s.