Food safety is important. Rules ______ to stop people from food pollution.
| A．must make | B．must be made | C．can’t make | D．can’t be made |
Last night, I _______ along the street when I met my English teacher.
| A．walk | B．walked |
| C．was walking | D．am walking |
—I didn’t hear you come in at noon.
—That’s good. We tried _______ any noise. We wanted you to have a good sleep.
| A．not make | B．not making |
| C．to make not | D．not to make |
We should do everything we can _______ the birds _______ danger.
| A．to protect; away | B．protected; from |
| C．protecting; in | D．to protect; in |
At first, Luke felt a sense of cold _______ his body.
A cross B. across C. through D. by
I spent _______ awful holiday this summer because _______ big flood on July 30th made lots of people lose lives.
| A．a; the | B．an; a |
| C．an; the | D．the; the |