【題目】It is easy for those students _________ that river to school.

A. cross B. to cross C. across

【答案】B

【解析】

試題分析：句意：對(duì)那些學(xué)生而言橫跨那條河去學(xué)校是容易的。根據(jù)句意及題干分析此題是考查It +be+for sb. to do sth.這一句型，it是形式主語(yǔ)，后面的不定式是真正的主語(yǔ)，故選B。

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