题目内容
17．An apple a day_______ the doctor away．（ ）| A． | keep | B． | keeps | C． | kept | D． | to keep |
分析 一天吃一个苹果医生远离我．
解答 答案：B．结合句意可知表达的是客观事实用一般现在时，主语三单故keeps，故答案是B．
点评 一般现在时（Simple present）．表示通常性、规律性、习惯性、真理性的状态或者动作有时间规律发生的事件的一种时间状态．
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