Dialogue:

M: You look pale, Linda. Is everything all right?

W: No. I lost my textbook on my way back from school.

M: Did you stop by any place?

W: Yes. I stopped by a post office to buy some stamps.

M: Think carefully whether you put your book down.

W: Maybe you are right. I will go back and see if it is still there. Thank you.

Question: Where did she stop by? 

- A shop.

- A post office.

- A drug store.


A post office.