【題目】It is necessary for us students _______________ the listening ability.

A. to improve B. improving C. improve D. improves

【答案】A

【解析】

句意:對(duì)我們學(xué)生來(lái)說(shuō)提高聽(tīng)力能力是必要的。選項(xiàng)中improve為實(shí)義動(dòng)詞,意為“改善、提高”,A項(xiàng)為不定式形式;B項(xiàng)為現(xiàn)在分詞形式;C項(xiàng)為原形;D項(xiàng)為單三形式。根據(jù)句型It is+形容詞+(for sb)to do sth對(duì)某人來(lái)說(shuō)做某事是……,故此處用動(dòng)詞不定式to improve,故選A。

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