The water in this river is harmful because It’s a ______ river.
| A．pollution | B．polluted |
| C．has polluted | D．pollutes |
great weather it is today!
| A．How | B．How a | C．What | D．What a |
You should be punished if you to your teacher.
| A．will talk back | B．talked back |
| C．will talk about | D．talk back |
Dad, you have worked for so long time. Stop and have a rest.
| A．to work | B．working | C．work | D．works |
— Whom would you for the job?
— Tom, I think. He’s always careful and serious.
| A．suggest | B．remind | C．remember | D．explain |
—There’re a few new words in the article?
—What about in your dictionary?
| A．looking it up | B．looking up it |
| C．looking them up | D．looking up them |