Question

【题目】—What should I do?
—_________ healthy, you should take more exercise.
A.Keep
B.Keeping
C.To keep
D.Kept

Answer 1

【答案】C
【解析】动词不定式作目的状语，表示为了...；根据句意：—我应当怎么办？—为了保持健康，你应该多锻炼。故选C。