AWhat are your favorite food? Why?

I like chicken,because it is so great. --> I like chicken because chicken tastes good. => Corrected : The sentence is corrected grammatically. (Punctuation)

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Did you go to the Disney World,too? --> Did you go to Disney World? 

Yes I did,it was so great --> Yes, it was fun. 

=> Your sentence has a correct grammatical structure, but this has the correct usage/ expression.

​(Punctuation)

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How was you vacation?  ✔

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