guaranteeing

"The repayment of the loan was a relief to the student. "

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

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

"Responsibility is a heavy burden."

"We assume that, as her parents were dentists, she knows quite a bit about dentistry."

"I took the car to the workshop for repair."

"Can you give me a guarantee that he will be fit for the match?"

"My mother's assurance that I could succeed in the test boosted my confidence. "

"The mechanic fixed the broken bicycle chain. "

"My uncle owns a small business selling handmade jewelry. "

"The certain success of the project was a relief to the team. "

"The student is taking notes in class to remember the important information. "