1, Girls trundle in carrying heavy book bags.

2, He crossed the street, carrying the book bag by its drawstrings, heading for the parked cop car.

3, Curtis had placed his book bag on the table between us, so that I could barely see him.

4, I have a blue book bag.

5, You should check your book bag.

6, However, to become a learned person, light reading book bag is not enough.

7, I laughed and opened my book bag, pouring out Penguin paperback novels by Tolstoy, Dostoevsky, and Turgenev.

8, Pink: There's a pink pencil box in the book bag.

9, Charles started crying as he watched Johnny take the game out of the book bag.

10, Wilson called Redding to his office and searched her book bag,[http://sentencedict.com/book bag.html] finding nothing.