A: This is your father's pen, I think. B: No, it's _______.
How many apples are there________the tree? A.on B.for C.in
What's________father? A.you B.your C.yours
My family________six members. A.has B.had C.have
—________are they? —They're my parents. A.What B.How much C.Who
How many________are there in your family? A.peoples B.people C.people's