The second runway of Hong Kong International Airport was officially ____ on May 26,1990.
| A．put into effect | B．made use of |
| C．taken notice of | D．put into use |
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 |
Every man has his faults. We should, therefore, learn to be ______ of others.
| A．ignorant | B．responsible |
| C．reliable | D．tolerant |
Three photos of a school teacher saving two children in a lake have been posted online on October 10, ________ heated discussions on Weibo immediately.
| A．to raise | B．raising |
| C．Having raised | D．raised |