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。
21. The school is so poorly equipped that the students here have no ______ to good resources for learning at all.
A. entrance B. approach C. access D. limit
22. Nowadays senior high school students are burdened with too many ______ , which is making them less and less confident.
A. motivations B. expectations C. amusements D. opportunities
