used to be thought that the earth was flat. A. He B. What C. It D. That
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________usedto be thought that the earth was flat.
A.He B.What C.It D.That
试题答案
答案:C
提示:It是形式主语,相当于It is thought/said/hopethat。
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________usedto be thought that the earth was flat.
A.He B.What C.It D.That
答案:C
提示:It是形式主语,相当于It is thought/said/hopethat。
|