从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1. In order to build up a harmonious society, we should think of ______old and ______sick.
A. a, a B. an, a C. the, the D. / , /
2. The English competition we talked about ________in our school last week．
A. being held B. would be held C. was held D. holding
