As the family planning policy has reduced the country’s number of children, the labor force’s growth has slowed down, and the aged population is ______ a larger part of the population.
| A．taking up | B．taking in |
| C．taking on | D．taking over |
XiJinping is the first Chinese president _________ the Caribbean country since the two nations established diplomatic ties（建交）in 1974.
| A．visited | B．visit | C．to visit | D．to be visiting |
_________ you may have, you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
_________ the car after drinking alcohol, there wouldn’t have been the accident.
| A．Had he not driven | B．Hadn’t he driven |
| C．If he didn’t drive | D．If he doesn’t |
You said you live in South China; could you please be a bit more _________ ?
| A．particular | B．specific | C．typical | D．automatic |
Life is not always that smooth and I hope you can force a laugh _________ pain.
| A．due to | B．in spite of | C．in terms of | D．for the benefit of |