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* Correction :     Student's sentence        Corrected sentence        Grammar explanation       Better sentence    

visting a hospiter

She is visiting a hospital.

Be mindful of your spelling.
>> H-O-S-P-I-T-A-L
>> V-I-S-I-T-I-N-G

When you write a sentence, see to it that it has a subject and a verb. In your original sentence,