Bill and his friends are in a big city. He takes a lot of food. His bag is big and heavy. Soon, Bill gets lost. He walks in the street for a long time and he feels tired  . It's eight in the evening, he goes into a restaurant. He asks for some drinks and soon he begins to sleep. When he wakes up  ,he can't find any people in the restaurant. The door is closed and he can't go out. He finds a telephone number and begins to call Mt Jackson, the owner   of the restaurant. "Hello," says the boy. "When do you open your restaurant, Mr. Jackson?" The telephone wakes up the man and he isn't happy. So he says, "Don't ask me about that. I can't let you in." "Oh, no! I want to go out." Bill's bag is big because   _  .
there's a lot of clothes in it he puts much food in it he likes big bags he takes many books