根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A ： What are you doing,Liu Mei?

B： 1.       

A: Is there anything special in the newspaper?

B： Yes,it says that India will have the largest population by 2040.

A: Really? 2.       

B： Yes,China has 1.3 billion population while India has 1. 1 billion.

A： 3.       

B：It says that by 2040,India’s population is expected to go beyondChina’s.India’s population is expected to be 1.52 billion. In the same year,China’s will be 1.45 billion.

A: Oh,I see. 4.       

B ： Yes. However,it says that the population problem inChinais still serious.

A: I agree. 5.       

5. My uncle has gone to America.(用 yesterday 改写句子）

My uncle  __  America        .

4. They have ever been to Mount  Huang.(改为否定句)

They  __  been to Mount  Huang.

3. The population ofIndiais 1. 1 billion.(对画线部分提问）

__the population ofIndia?

2.Chinahas the largest population in the world.(改为同义句）

China has a larger population                 

       country in the world.

1. He has already returned the book to the library. (改为一般疑问句） .

        he returned the book to the library      .

(   ) 5. —Dad，my teacher said I had made a lot of progress recently.

—I’m glad to hear that,But I think you still     .

A. have a long way to go

B. have fun

C. have a rest

D. have a good time

(   ) 4.        the heavy snow,so many workers couldn’t go home for Spring Festival last year. 

A. Thanks for     B. Thanks to

C. Because of     D. Because

(   ) 3. Keeping diaries          well in          your composition.

A. work ; improving

B. works ; improve

C. work ; improve

D. works ; improving

(   ) 2. —Do you know who Mark Twain was?

—Of course. He was          a  famous American writer.

A. used to be     B. knew for

C. known as     D. known for