M: Yes. It's time for .

— They're _____.

—He's my grandpa.

to your , Helen.

Helen: Where's my schoolbag?

Yang Ling: What's that over there?

Helen: Is that a lunch box?

Yang Ling: Let's go and have a look.

Helen: All right.

Yang Ling: No. It isn't a lunch box. It's a green schoolbag.

Helen: Oh, it's my schoolbag.