问题描述：
30.We have not had ____ for many weeks.
A.such cold day as this B.such cold a day as this
C.such a cold day like this D.such a cold day as this
答案是B．．为什么?
A.such cold day as this B.such cold a day as this
C.such a cold day like this D.such a cold day as this
答案是B．．为什么?
问题解答：
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