Pls
how can i use the word principle (noun) in a sentence?

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

Before ending this lesson, take a moment to review an informative research essay you have written. you’ve probably already written a conclusion to the essay. but is it the best conclusion it can be? does it properly summarize the main subtopics of your essay? does it state in one or two sentences the “so what” of your topic. if your topic was abraham lincoln, your essay shouldn’t be just about abraham lincoln. it should answer, “so what about abraham lincoln? ” take five or ten minutes, and looking only at that single paragraph, revise your conclusion

Which from of the moderifier best completes the sentence of the 10 students? malcolm did on the quiz. best more better bestest better