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: Why did Linda look pale? 

- She lost her bag.

- She lost her way.

- She lost her book.


She lost her book.