4. 我们应该尽力阻止人们捕杀老虎。

We should work hard               people       tigers.

3. 为了使老虎更易生存，我们必须保护它们在野外的家园。

            it easier for the tigers to live,we should protect their home                  

2. 你帮助我真是太好了。

It's very nice       you       help me.

1. 人类必须保护处于危险之中的各种动物。

The human beings must       all kinds of animals               .

enough,large and large,take away，nature park, it's one's duty,

more and more,live,feed on,

I because,protect        All around the world there are many kinds of animals. But 1.        of them are in danger now. The tiger in the northeast of China is one of them. They don't have 2.        food to eat or enough place 3.         . The situation is very serious.

The population is becoming 4.        , People need more places to live and more food to 5.       . So we 6      ,their land and forests. And our water isn't good to drink 7.        we've made it dirty. Why don't we build more 8.        to protect the animals?

Let's do something to 9.        the environment,too. I think 10.        to keep a good environment for both the animals and ourselves.

5. He sent an email to his brother yesterday even?ing. (改为同义句) 

He sent              yesterday evening.

4. I'm having a great time here in the south of Eng?land. (改为同义句) 

I'm               here in the south of England.

3. I work hard so that I can go to college. (改为同义句)

I work hard               go to college.

2. The pandas are white and black. (对画线部分提问) 

            are the pandas?