问题 选择题
—How was ______ they discovered the entrance to the underground palace?
—Totally by chance.
A. it that
B. he that
C. it which
D. it
答案

答案:A

这题考查强调句的特殊问句:疑问词+is/was it+that….选A,句意是:他们是怎么发现地下宫殿的入口的?--完全是偶然的。选A。

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