问题
选择题
—The classroom is clean it was yesterday.
—Sorry, I forgot to clean it.
A．as, as
B．so, as
C．not as, as
D．more, than
答案
答案：C
题目分析：句意：——教室没有昨天那么干净。——对不起，我忘记打扫了。 As…as…与。。。一样。如：She is as beautiful as her mother. 她跟她妈妈一样漂亮。其形容词要用原级。从题目语境看，第一空要用否定，在as 前面加not.