问题

I found _____ necessary to save energy and protect the environment.
A:that
B:this
C:it
D:one;
B:this
C:it
D:one;
正确答案是:
同类题型
I regret _____you John hbelieve my ears.He’s such a fine worker.
The song I Believe I Can Fly tells us that believing in _______ is very important.
I will have an exam tomorrow. I hope I canpass it.—
e, please. I can’t do myhomework ______.
They are living with their parents for the moment because their own house _____