— What do you think of the human and the computer?—A human ____can do some things better than a computer, for example, creating new ideas.

—I’m stressed out. I have so much work to do every day.—You ‘d better rest very often. And it’s good for you to take some ____,I think.

      of the workers in this factory is about two hundred.        of the workers are working hard.

 All of us can see some ___________ in this picture.  Which is NOT right?

The air pollution is very serious,we should take___________to stop it.