Definition: to do what you promised to do Level: B2
她总是信守帮助他人的承诺。
She always ___keeps her ___promise to help others.
我遵守了每周给她写信的诺言。
I ___kept my ___promise to write her every week.
公司信守了按时交付产品的承诺。
The company ___kept its ___promise to deliver the product on time.
