The problem this material can be used in our factory has been solved.A. thatB. whatC. whe

发布时间:2020-08-16 22:01:33

The problem      this material can be used in our factory has been solved.
A. that
B. what
C. whether
D. why

网友回答

(答案→)A. that
B. what
C. whether
D. why
解析:考查同位语从句。That引导的同位语从句That this material can be used in our factory说明The problem的内容。
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