Instead of submitting a copy of your teaching certificate with your application, you may submit verification that you are matriculated in a certification program (e.g., letter of acceptance, letter from advisor).
Expository writing is writing that seeks to explain, illuminate or 'expose' (which is where the word 'expository' comes from). This type of writing can include essays, newspaper and magazine articles, instruction manuals, textbooks, encyclopedia articles and other forms of writing, so long as they seek to explain.
When creating the initial draft of an expository essay, consider the following suggestions: The most important sentence in the introductory paragraph is the topic sentence, which states the thesis or main idea of the essay. The thesis should be clearly stated without giving an opinion or taking a position.