Final answer:
The italicized word 'This' in the sentence 'This is my house' is a demonstrative pronoun.
Step-by-step explanation:
The italicized word in the sentence "This is my house" is a demonstrative pronoun. Demonstrative pronouns are used to point out or identify a specific person, thing, or idea. In this sentence, the word 'this' is a demonstrative pronoun as it is used to point out or identify the speaker's house. Other examples of demonstrative pronouns include 'that', 'these', and 'those'.
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