Question

which sentence contains a phrase that adds a specific detail about time? my dog loves running around the park. i lost my necklace on top of the hill. the house next door to me is getting new windows. for several months, my sister was addicted to playing tennis.

Explanation:

The phrase "For several months" in the last - sentence gives a specific time - related detail. The other sentences do not have any time - related phrases.

Answer:

For several months, my sister was addicted to playing tennis.