1 . 作为中学生，在校遵守规则是有必要的。
As a junior high school student, __________ __________ to follow the rules at school.

2 . —Rain ______ in Kunming now, because it has been dry for a long time.
—Yes, I agree with you. And we have to save water in our daily life.

A．is enough	B．is not necessary
C．is dropping heavily	D．is urgently (迫切地) needed

3 . As students, we should know studying hard is ________ (必要的).

4 . 对我们来说保护野生动物是多么必要啊！
____________________

5 . 我认为对我们来说有必要留意我们的礼貌。
I think it is ______________________________ to mind our manners.

8 . 它让我们意识到保护粤剧文化是很有必要的。
It made us realize it was ________ ________ us ________ ________ the Cantonese opera.

9 . In order to stay healthy, it’s _________ (必要的) to avoid taking too much sugar.

10 . 让政府倾听普通人的呼声是有必要的。
_________ _________ for the government to listen to the voice of common people.