第二部分：英语知识运用(共两节，满分35分)
第一节：单项填空(共15小题：每小题1分，满分15分)
21. Raising _______ retirement age in progressive steps is in _____ line with China’s labor market realities and should be prioritized, an official said Tuesday.
A. the ; / B. /; the C. /; / D. the; the
22. Nelson Mandela’s fellow campaigner, Archbishop Desmond Tutu, said Mr. Mandela was “not only an amazing gift to humankind, but he also made South Africans and Africans feel good about being _______ we are. He made us walk tall.”
A. what B. where C. when D. who
23. ---I didn’t expect that John would be absent from my last Sunday’s birthday party.
--- As far as I know, he ______ to see his parents in the countryside on Sundays.
