补全对话（5分）
根据下面的对话情景，在每个空白处填上一个适当的句子，使对话意义连贯，完整。
(Michael and Kangkang meet at the school gate.)
A: Hello, Kangkang.
B: Hi, Michael.
A: I called you just before I left home ,but you were not in. 【小题1】B
B: Oh, sorry. I’ve been to the library.
A: What did you go there for?
B: 【小题2】F
A: Well,【小题3】A
B: It’s about 1.3 billion, one fifth of the world’s.
A: Has the government done anything to control the huge population yet?
B: Yes.【小题4】D and it has worked well in controlling the population growth for many years.
A: Really? However, the population problem is still serious in China, isn’t it?
B: Yes, it is. Oh!【小题5】E Let’s go to the classroom.
Hurry. Let’s go.
A.A. What’s the population of China?
B.B. Where have you been?
C.C.What’s wrong?
D.D. The government has carries out the one-child policy.
E.E. There goes the bell.
F.F. I went there to look up some information about China’s population.
G.G.I borrowed some story books.
网友回答
解析：本文是一段关于中国人口问题的对话。从对话当中我们可以知道中国的人口已经达到13亿，约占世界的五分之一。为了应对这一问题，中国采取了一孩政策。
【小题1】根据下文I’ve been to the library.可知选B。
【小题2】根据问句What did you go there for?可知选F为最佳答案。
【小题3】根据下文答语It’s about 1.3 billion, one fifth of the world’s.可知上文问的是中国的人口问题，故选A。
【小题4】根据上文Has the government done anything to control the huge population yet?及下文描述可知选D。
【小题5】根据上文感叹词oh和下文Let’s go to the classroom.可知是上课铃响了，故选E。