题目内容
____seems very hard to reach the top of the mountains.
A.That | B.This | C.I | D.It |
D
试题分析: 句意: 爬到山顶似乎很难。it seems +adj+to do做某事似乎很难,固定句型,it做句中的形式主语,真正主语为不定式, 故答案选B.
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A.That | B.This | C.I | D.It |