Which sentence contains the intensive pronoun?

Where is the picture that you painted?

The story, which had a happy ending, was intriguing and interesting.

We loaded the station wagon with luggage ourselves.

Jim promised himself a reward for working so hard.

Jim promised himself a reward for working so hard.

The sentence "Jim promised himself a reward for working so hard" contains the intensive pronoun.

The sentence that contains the intensive pronoun is: "Jim promised himself a reward for working so hard."

To identify the intensive pronoun in a sentence, you need to look for pronouns that emphasize or intensify the noun they are referring to. These pronouns often end with "-self" or "-selves" and are used to emphasize the subject of the sentence. In this case, "himself" is the intensive pronoun as it emphasizes the subject "Jim" by showing that he is promising a reward to himself.