what is harder to establish is……
to establish 成分?
做状语?我还是有点不懂……
人气:366 ℃ 时间:2019-11-19 01:07:39
解答
What is harder to establish是主语(主语从句)
后面的is...是谓语
to establish是不定式在主语从句作状语.
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