Gloria: I went hospital.
Correct: I went to the hospital.
Explanation: The preposition "to" is used to indicate a direction, goal, or objective.

Gloria: I smelled stinky smell.
Correct: I smelled something stinky.

Gloria: I feel sick
Correct: No correction.

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Hello, Gloria! Thank you for submitting your homework. Kindly review the corrections. See you tomorow! Have a good sleep.^^

-Teacher Isabel