A. What is your favorite food? Why? 

My  favorite food is chicken. Because chicken is delicious. ---> My favorite food is chicken, because chicken is delicious.​ (Punctuation)

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I am okay. How are you?  --> Not bad, How about you?  => Another way: Your sentence is okay and this is another way of saying it.

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I'm boring. --> I'm bored.   => Corrected : The sentence is corrected grammatically.

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What are you going to do this Sunday?   ✔

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