Final answer:
An appropriate intensive pronoun to complete the sentence "Well look who just arrived; it's the Queen of England" is 'herself'. Intensive pronouns are used for emphasis and usually follow the noun or pronoun they are emphasizing.
Step-by-step explanation:
To complete the sentence with an appropriate intensive pronoun, you would use 'herself' after the name of the person being emphasized. In this case, the sentence would read: Well look who just arrived; it's the Queen of England herself.
An appropriate intensive pronoun to complete the sentence "Well look who just arrived; it's the Queen of England" is 'herself'. Intensive pronouns are used for emphasis and usually follow the noun or pronoun they are emphasizing.
Intensive pronouns are used to emphasize a noun or pronoun that is already mentioned earlier in the sentence. They typically follow the subject they are emphasizing. Other examples of intensive pronouns include 'myself', 'yourself', 'himself', 'themselves', etc.