Question

【题目】We need a math teacher _________math.

A. to teach B. teach C. teaching D. teaches

Answer 1

【答案】A

【解析】

句意：我们需要一名数学老师来教数学。A. To teach去教，动词不定式；B. teach教，原形；C. teaching教，现在分词；D. teaches教，第三人称单数。短语need sb. to do sth.表示需要某人做某事。根据题意，故选A。