As I looked at the memorial, I thought about ____ terrible disaster it was for the people in Nanjing then and ____ they were to fight the Japanese invaders.
第二部分:英语知识运用(共二节,满分30分)
第一节语法和词汇知识(共15小题;每小题1分,满分15分)
21. ----Are you familiar ____________ the customs here?
----No, the place is unfamiliar ___________ me.