It is such a difficult problem no one can work out. A. asB. thatC. soD. thus

发布时间:2020-08-17 15:15:02

It is such a difficult problem      no one can work out.
A. as
B. that
C. so
D. thus

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(答案→)A. as
B. that
C. so
D. thus
解析:such…as…“像这样的”,as 引导定语从句。
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