--Can I use your mobile phone?--Of course. .
—Is this your sister? —Yes, it is. _______ name is Linda.
—What’s that on the desk? — It’s _______ book.
—Can you please close the door? It’s cold. —_____.
.My twin sister is ______ me. Art is my favorite, but she doesn’t like it.
—Did Liu Ming do a good job in the competition? — Yes, he did everything___________.