_____ by the problem that was put forward at the meeting，the people in the audience had _____ looks on their faces. [ ]

The news of the mayor’s coming to our school for a visit was _____ on the radio yesterday.

I like this kind of music that I can dance ______.

I need something for cutting the paper.— Oh, you want a knife OK, I’ll get ______ for you.

Do you like to buy things in that supermarket—-Yes, I do. Because the prices of things there are usually very ______.