Question

【题目】She will live longer if she exercising every day.

A.will keepB.keptC.keepsD.is keeping

Answer 1

【答案】C

【解析】

句意：如果她坚持每天锻炼，她会活得更久。

考查if条件状语从句。A. will keep一般将来时；B. kept一般过去时；C. keeps三单；D. is keeping现在进行时；根据if 用于条件和假设句中，主句用将来时，从句用一般现在时。根据she是单数，所以谓语动词用三单。故选C。