从方框中选择适当的单词的适当形式填空.he ,agree,possible ,important,pronounce.

从方框中选择适当的单词的适当形式填空.he ,agree,possible ,important,pronounce.
1.Whenever I meet a foreigner ,I am used to talking in Enghlish to practice my________.
2.My brother used to only concentrate on_________.But now he's learnt to care about others.
3.Never waste water any more.You should realize the ________ of water .
4.The answer to the math question is _______right.However,I am not very sure of it.
5.Most of us are in __________that the prices of houses in China are too high.