A: Where's my dictionary?
B: I don't know. Is it in your backpack?
A: No, it's not.
B: Is this your dictionary?
A: Yes, it is. Thanks! Now, Where are my glasses?
B: Are they on your desk?
A: Yes, they are. Thank you!
A: Where's my dictionary?
B: I don't know. Is it in your backpack?
A: No, it's not.
B: Is this your dictionary?
A: Yes, it is. Thanks! Now, where are my glasses?
B: Are they on your desk?
A: Yes, they are. Thank you.
