【題目】It's necessary for usEnglish well.
A.to learn
B.learning
C.learn
D.learns

【答案】A
【解析】【解析】句意:對我們來講,學好英語是必需的事。表達“做某事……”就是動詞短語作主語,動詞短語作主語時,常用it作為形式主語放在句首,而將真正的主語用帶to的不定式跟在后面,即:It's+adj +for sb+to do sth(對某人來講,做某事怎么樣。)本句動詞用不定式:to learn。故選A。

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