I do not exercise. Because i don't have enough time to exercise. Most of korean student's will be same as me. Today i come home at this time. Um I think this topic dosent fit's me.

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**Jack -- consider being a little more creative.

 If you don't exercise, you can at least explain WHY you don't have the time.  The whole idea of the writina a paragraph of up to 8 to 10 sentences, is for you to think in English, as you develop sentences that will improve your fluency, grammar, and composition.