- Air quality in our city is becoming worse and worse.
- Yes. These days' PM2.5 readings are frightening. We must do something to _______ air pollution.
| A．reduce | B．remove | C．collect | D．gather |
Do you know when the first train __________ in China?
A. was produced B. is produced C. Produced
Alice found _______ not easy to get a driver’s license.
A. itB. that C. This
If you meet some new words, you'd better ________ in a dictionary.
A．look out them
B．look up them
C．look them up
—I think she should stop wearing those silly earrings.
—________. I like those earrings. She looks so cool.
A. I disagree.
B. I think so.
C. I agree.
This dictionary must belong to ________.Because I saw him using it yesterday.
A .Tom’s B.TomC Mary