He goes to a shop in a hurry with his notebook. “Can I help you?” the shop assistant asks him.

  “Yes, I'd like two kilos of carrots, three kilos of potatoes and three kilos of onions.” Bob says.

  “It's eight kilos. Do you need a shopping bag?” the shop assistant says.

Bob writes the answer on his notebook, and says “No, thanks. And I would like four kilos of apples, one kilo of bananas and two kilos of pears, too.”

  “It's seven kilos. But I'm afraid it's too heavy for you to carry”, the shop assistant says in surprises. “ You don't have a shopping bag, how you take them home.”

    Bob writes the answers on his notebook quickly and says “I'm sorry, I don't want to buy them now.” Then he runs home.

阅读短文，选择正确答案。

    Sam's parents took her to the World Park last week. He saw Big Ben, the Tower Bridge, Disneyland in America, the CN Tower, Niagara Falls and the Sydney Opera House. His father told her Big Ben and the Tower Bridge are in London. Her mother told her Niagara Falls is in Canada and the Sydney Opera House is in Australia. He learnt about many things of the famous places around the world.

    It's Sunday. It's a fine day. Sarah and her friends are in the playground. They are playing football. Oh, it's six o'clock. Mike feels hungry and thirsty. Sarah feels tired and sleepy. Sam feels hungry and tired. Where is Helen? She is over there. She feels bored and thirsty. Mike gives her a story book and a bottle of water.

    Miss Lee is 21 years old. She likes students and her work. From Monday to Friday she stays(留) at school and gives the students lessons. She has much work to do, but she often plays games with her students after school. The students like her Very much.

    On Sundays, she drives to her father's house and stays with her father and mother. Sometimes she goes to see her friends on Sundays. She drives back to school on Monday morning. She likes singing, dancing and swimming. She is a nice girl.

It's a rainy day. A woman with a dog gets on a bus. It's a big dog and it's feet are not clean. The conductor doesn't want the dog to sit on the chair. But the woman says to the conductor, "Oh, I will pay for my dog. Can he sit here like the other people?" The conductor looks at the dog and says, "Yes, madam, but like the other people, he must not put his feet on the chair."