Mr.Black is a(n) ________ man.If he says he will deal with the problem, he will do it.[ ]

What do you think of Liu Huan—Oh, he is my favorite singer. I think no one can sing________.

Hello! Is that Mr. Jiang No, he _______ Guiyang. He will be back in more than two weeks.

The recent study has shown that people’s attitudes towards protecting the environment are notwith their behavior in daily life.

Some people are against the plan but _______support it.