— The classroom iscleanit was yesterday.— Sorry, I forgot to clean it.A. as; asB. so; asC.

发布时间：2020-08-20 10:49:01

— The classroom is    clean    it was yesterday.
— Sorry, I forgot to clean it.
A. as; as
B. so; as
C. not so; as
D. more; than

网友回答

A. as; as
B. so; as
(答案→)C. not so; as
D. more; than
解析：根据句意教师忘记打扫应该是不如以前干净，故只能选表示不及的意思，not so
……as可以表示此意，故选C。
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