二,根据句意和所给的首字母完成下列句子.下面有题目：

二,根据句意和所给的首字母完成下列句子.下面有题目：
The water in the rivers is getting worse.We must try to p__________it.

At the end of the term,teachers will send a school r_______to our parents.
You will see the last p_______of the play on TV on Tuesdy evening.
Some animals live in the sea and some live on I______.
Our school hall is very I_______.It can hold more than 2,000 people.
It is very dry.If you smoke in the factory,you will b______all the things.
The dirty gas fromn the factories can p________the air.
It is i_______for everyone to protect the Earth.
In autumn,yellow leaves fall on the g________.
The farmers are working hard in the potato f________.