第一节 语法和词汇知识（共15小题；每小题1分，满分15分）
21. George Washington was born in 1732 in a rich family in _______ is now the state of Virginia.
A. which B. where C. that D. what
22. Many students listened to the lecture, but I wondered how much they ______.
A. took out B. took in C. took off D. took up
