根据上下文提示，补全对话。
A: Excuse me, mom. (1) ______my baseball glove?
B: Sorry, I don't (2) ______. Is (3) ______on your desk?
A: No, it isn't.
B: Is it in your (4) ______?
A: No, it isn't in (5) ______backpack.
B: Is it (6) ______your bed?
A: (7) ______, it is. It's under my pillow. And where's my baseball?
B: Is it (8) ______the desk?
A: No, it isn't.
B: Is it (9) ______the chair?
A: Oh, yes. It's under the chair. (10) ______mom.
B: You're welcome.