(c) One of the students absent today. (is, are)​

It's to know your purpose before you read something because a purpose can:

Which statement expresses a theme that is found in both "escape" and "to live"? the search for self–awareness is often a difficult one. life's distractions can make it difficult to know yourself. a person often sees herself differently than others see her. being a part of two cultures can make it hard to know yourself.

Which war does jonas have a memory about? in the giver.