owes

"My obligation to my family means I need to visit them regularly. "

"John and I have been friends ever since we were roommates at college.   Trust is important between friends.   I used to find it hard to make friends when I was shy."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"I borrowed a pen from my classmate because I forgot mine at home. "

"I went to the park because the weather was nice. "

"Do you need a gift for that special someone?"

"It took him only twenty minutes to perform the task."

"From Earth, we could observe maria, the dark, ancient lava plains on the Moon, with just a pair of binoculars. "

"The under-the-counter storage bin kept the extra supplies hidden. "

"After school, I had a quick lunch of a sandwich and an apple. "

"The student's action of studying diligently improved her grades. "

"There is no give in his dogmatic religious beliefs."