第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共20小题；每小题1分，满分20分）
21. His grandparents were born in __Qing Dynasty, while he was born in ____1920’s.
A. a; an B. 不填;the C. the; the D. a; the
22. Three people, ______, were killed in the accident.
A. including a child B. include a child
C. a child was included D. a child including
23. We are living in an age many things are done on computer.
A．which B．that C．whose D．when
