29. — What should I do,doctor?—_________ healthy,you should take more exercise.
— This is Huangdu police station. What can I do for you?
— ______________ .
— What do you usually do in your spare time?
— _________________.
— What can I do for you?
— ____________________.
______ means to do what you should do on time.
What I should do is__________ the task soon.
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