第二部分英语知识运用（共两节，满分45分）
第一节单项选择（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. — As _____child, my father often spent all Sundays relaxing outdoors, even playing for hours at _____time.
— That's my father's story, too.
A. a; the B. /; a C. a; a D. /; the
22. He is the only one of the top students who ____ admitted to Peking University.
A. was B. were C. have been D. has been
23. Cheer up, dear! You can also enjoy ____ you have been dreaming of, if you don’t lose heart.
A. as a convenient life as B. as convenient a life as
C. as a life convenient as D. convenient as a life as
24. Not only ____ saving material and resources but ____ trying to save water and energy.
A. all factories are; most of the families are
B. all factories are; are most of the families
