Use the passage to answer the question. As the sound of the doorbell reverberated through the hall, she cracked open the door and peered outside. She caught a glimpse of a truck disappearing into the darkness. On the stoop, a strange object waited. She took a deep breath, opened the door, and stepped out into the heavy summer air. Which word best describes the tone of the passage?

The word "curious" best describes the tone of the passage.

The word that best describes the tone of the passage is "mysterious."

To determine the tone of a passage, it is important to analyze the language and atmosphere the author creates. In this case, the passage mentions a doorbell sound, a truck disappearing into darkness, the protagonist peering outside, and a strange object on the stoop. Additionally, the passage describes the protagonist taking a deep breath and stepping out into the heavy summer air.

Based on these descriptions, the overall tone of the passage seems to be suspenseful or mysterious. The mention of the doorbell sound, the disappearing truck, and the strange object waiting on the stoop create an element of suspense. The phrase "she cracked open the door and peered outside" suggests a cautious curiosity, and the mention of the heavy summer air adds to the atmospheric tension.

Therefore, the word "suspenseful" or "mysterious" would best describe the tone of this passage.