Definition: to do what you said you would do Level: C1
他同意来，我相信他会遵守诺言。
He agreed to come and I'm sure he'll ___keep ___his ___word.
事实证明，被雇佣来组织活动的公司没有履行承诺。
It turned out that the company that had been hired to organize it did not ___keep ___their ___word.
你承诺过要帮忙，所以请信守诺言。
You promised to help, so please ___keep ___your ___word.
