I work in a nursing home.I am in charge of the的完形填空
问题描述：
I work in a nursing home.I am in charge of the的完形填空
答
I think "old" may be a correct word to fill in.It is worth mentioning that "the old" in your sentence means "old people" but "the senior" is more polite than "the old".Hope that helps.Lilly