题干
— ______ did you visit the Great Wall? （ ）
— Last Sunday.
A：Where
B：What
C：When
D：How
答案(点此获取答案解析）
C
— ______ did you visit the Great Wall? （ ）
— Last Sunday.
A：Where
B：What
C：When
D：How
否定，人类历史就会变成停滞不动的臭水坑。”这句话给我们的启示是（ ）
