题目内容：

根据语境及所给汉语或音标提示写出所缺单词。

1.We must do something to protect the ________ (环境).

2.Bob and David are in different ________ (组) in their class.

3.It’s ________ (不可能的) for people to live without water.

4.I want to watch the ________ /’leɪtɪst/ movie this weekend.

5.Jason heard the good ________ /njuːz/ on the radio this morning.