题目内容
–What should I do, doctor?
--________ healthy, you should take more exercise.
--________ healthy, you should take more exercise.
A.Keep | B.Keeping | C.To keep | D. Kept |
C
考查动词不定式。句意:----医生,我应该做什么?---为了保持健康,你应该多做锻炼。故选C。这里动词不定式做目的状语。

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