【題目】I find _______necessary to do everything we can ____________protect the environment.

A. it; do B. this is; do to

C. it; to D. it; in order that

【答案】C

【解析】

試題分析：句意：我認(rèn)為做我們能做的一切來保護(hù)環(huán)境是必要的。it是形式賓語，動詞不定式to protect the environment.是真正的賓語。故選C。

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