题目内容：

 

1.The lake has been ________(污染) by the waste from the factory.

2.It can greatly _______ (吸引) the students’ attention.

3.The plants here died for ________ (缺乏) of water.

4.Once an Arab was travelling in the _______ (沙漠) on his camel.

5.Please ________ (通知) us of any change of address as soon as possible.