A. What a pity!

   B. Why couldn’t he come back?

   C. Sorry,I didn't.

   D. Yes,I have.

   E. He died on the Qomolangma with Andrew Irvine.

   F. So do I.

   G. How did they live on it?

A： Did you ever hear of George Mallory?

B ： 1 What is it?

A： He is an American teacher. He has been dead for about 90 years.

B ： Did he die in England?

A： No. 2  

B： 3

A: Maybe it was because the weather was very bad.

B ： 4 Did he reach the top?

A: I don't know,but I hope so.

B： 5

1. 2. 3.

4. 5.

5. 虽然实现梦想很难，但我们要拼尽全力。

We should try our best it is hard to achieve the dream.

4. 这篇文章反映出时代精神。

The article tells the the age.

3. 我们在面对危险时应保持镇静。

We should keep calm danger.

2. 鱼用鳃吸氧气。

Fish oxygen through their gills.

1. 大西洋没有太平洋大。

The Atlantic Ocean is the Pacific Ocean.

5. No one can sing better than Cindy in her class.(改为同义句) 

Cindy in her class.

4. I have some best friends and Jim is among them.(改为同义句) 

Jim is my best.

3. Keep reading it every morning,and you’ll learn it well.(改为同义句) 

Don’t reading it every morning,and you’ll learn it well.

2. Her mother is not as old as her father.(改为同义句)

 Her father is her mother.