A: Mum, my schoolbag? I can't find it.
B: Is it ?
A: No, it isn't under the table.
B: Er... Is it on the sofa?
A: Oh. . Mum, where's my baseball?
B: . Is it in your schoolbag?
A: I can't find it in my schoolbag.
B: Look! It is under the chair. Here you are.
A: Thank you.
B:
