— David, is this your sister’s bike?
— No, it’s not ______. It’s my brother’s.

The book might be my sister’s. Hemingway is________ favorite author.
A. his                    B. her                   C. my

—What’s the girl’s name? —______name is Linda.

—This boy is my friend. _______ name is Tom.
—_____ name is Mary. Nice to meet you.

—Do you know(认识) that girl?
—Yes. _____ name is Mary.

—I’m Bob. What’s your name?
—Mary. How are you?

The girl is doing          homework.

一 Hi, Jim! Is this your bike or Mary's?
— It's mine, not         .

I found a story-book on the desk, it isn’t mine, it is ___,I think.

—Is this       ruler?
—No.       is over there.