My father __________ free. He can’t play with me.
Of the two coats, she'd like to choose the one to save money for a book.
Mary is used to a T-shirt and jeans.
We can't work out the physics problem. Can you tell us ?
一 Hi, Jim! Is this your bike or Mary's?— It's mine, not .
— How do you like your Englsh teacher? — He is great. We friends since three years ago.