Food safety is _______ important, so the government spares no effort to prevent food pollution.
| A．highly | B．reasonally |
| C．strongly | D．naturally |
—Do you know why Jeff resigned from the firm?
—He held out for higher wages, but was _____ in the end.
| A．put down | B．broke down |
| C．cut down | D．turned down |
Testing should not be limited to _________students learn from textbooks, but should include how to use that knowledge.
| A．that | B．all |
| C．what | D．which |
China is not only ________ engine for world's economic growth, but also _______ role model for other developing countries.
| A．an, the | B．the;an |
| C．the, the | D．an；a |
_________sunblock, which is more popular among China's younger generation, these types of covered clothing seem much more popular among China's aging population.
| A．Compared to | B．Comparing to |
| C．To compare with | D．Compare to |
The mask soon became popular around the area among older consumers, ________ led face-kinis to be defined as a special symbol of China's older "grandmas" by many netizens.
| A．that | B．which |
| C．where | D．what |