To make your writing stronger, you would want to replace to be verbs with

Where does writer's block come from? briefly describe each of the four possible reasons that writer's block occurs. asap!

Which statement best reflects how martin luther king, jr. uses rhetoric and style in paragraph 9 of "letter from a birmingham jail" to assist him in advocating the use of nonviolent direct action to achieve justice for negro citizens in birmingham? click here to read the letter.

Which type of story uses animals as characters in order to illustrate a general truth about human nature?