填空题

Recent reform efforts (have been focused) on encouraging lifelong or recurrent education to meet changing (individual and social needs). Thus, not only (the number of students has increased), (but) the scope of education has also expanded.
  • A. have been focused
  • B. individual and social needs
  • C. the number of students has increased
  • D. but

【参考答案】

C (改为: has the number of students increased)