题目内容：

    One day, a little boy came to a shop and said to the shop assistant(店员): “I want to buy twelve exercise-books of 10 cents(美分) (100 美分=1 美元) and nine pencils of 15 cents, four erasers of 20 cents. How much shall I pay(付款)?”

“If I give you 5 dollars, how much shall I get back（取回）?”

“You’ll get back 1.65 dollars. Shall I pack(打包) these things for you?”

“No, I don’t buy anything.” the boy looked at the piece of paper and said politely(礼貌地).

“This is my math homework. Can I take the answer away（带走）?”

1.________kinds of things are mentioned by(被提到) the boy.

A.One   ` B.Two C.Three D.Four

2.Nine pencils of 15 cents is ________.

A.$ 1.35 B.$ 1.65 C.$ 0.15 D.2.15

3.The shop assistant asked(要求) the boy to pay _________ to buy all of the things.

A.$4 B.$ 3.35 C.$ 1.65 D.$ 5

4.The boy went to the shop________.

A.to buy something for his school B.to buy something for his home

C.to see how many things the shop has D.to get an answer