Gloria: Squirral's habitat is forest
Correct: Squirrel's habitat is forest.

Gloria: There is ocean.
Correct: There is an ocean.
Explanation: The indefinite article "an" is used before an initial vowel sound.

Gloria: She likes forest.
Correct: She likes going to the forest.
Explanation: The definite article "the" is used.  especially before a noun. (ex. the book, the house

Hi, Gloria! I really admire your drive when it comes to your studies. Anyway, thank you for submitting your homework. Great job, Gloria! See you tomorrow.

-Teacher Isabel