—______________ They're mine.

—______________ I hope you can do better in it.

    Good morning, I'm Kevin. This is my schoolbag. A photo of my family and some English books are in it. And a pencil box is in it, too. Is the pencil box purple? No, it's orange. It's my pencil box. A ruler, a pencil and a pen are in the pencil box. The ruler is mine. It is blue and red. The pencil is black and white. It is not my pencil. Look! That girl is I my friend Lucy. It is her pencil. That boy is my cousin, Tim. I find his green pen in my pencil box. His telephone number is 789 -5603. I lost my watch in the morning. I must find it.

It's my backpack!

    It's (1)five ten in the afternoon. A policeman (警察) stands near No.2 Middle School. He talks (谈话) with some students.
    "(2)这是你的双肩背包吗?" he asks.
    "No, it isn't," says Jim.
    "It looks like(看起来像) John's," says Mike.
    "No，it is not his backpack," says Tom." His backpack is red, but it's green."
    Mary comes and says, "(3) Peter can't find his backpack. It's his, I think (认为).
    "It isn't his," says Harry. "His backpack is (4) ________________, but it's new.
    "Where is your backpack, Jim?" asks Mike.
    "Oh，dear! It's my backpack! Thank you!" says Jim.

—No, it isn't. ______________ is under the desk.

—Sure. Help yourself.