Is necessary to tell his father everything? A. it B. that C. what D. he
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Is ______necessary to tell his father everything?
A. it B. that C. what D. he
试题答案
A
it用作形式主语,真正的主语是后边的不定式短语。
Is ______necessary to tell his father everything?
A. it B. that C. what D. he
A
it用作形式主语,真正的主语是后边的不定式短语。