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—What should I do, doctor?

    —         healthy, you should take more exercise.

    A. Keep        B.T o keep          C. Keeping        D. Kept

—What should I do, doctor?

—___healthy, you should take more exercise.

A．To keep           B．Keep             C．Keeping           D．Kept

--- What should I do, doctor?

---         healthy,  you should take more exercise.

–What should I do, doctor?

--________ healthy, you should take more exercise.

—What should I do, doctor?   —______healthy, you should take more exercise.

A. To keep          B. Keep         C. Keeping           D. Kept

—What should I do ,doctor?

— ___healthy, you should take more exercise.

—What should I do, doctor?

—___healthy, you should take more exercise.

　　 A. To keep　　 　 B. Keep　 　 C. Keeping　　 D. Kept