what or which person or people—used when you do not know the name or identity of a person or group of people that you are talking about or asking about
—used to question a person's character or authority
—used in questions that are meant to say that no one would or would not do something, know something, etc.
a public celebration of a special day or event that usually includes many people and groups moving down a street by marching or riding in cars or on special vehicles (called floats)
a military ceremony in which soldiers march or stand in lines so that they can be examined by officers or other important people
a long series of people or things that come one after the other—usually singular—usually + of