Is this an appropriate opening sentence for a argumentative purpose?

Which statement best paraphrases these sentences from the text

Need plato answers asapselect all the correct answers. you are about to proofread your essay before turning it in. which of the following strategies should you use to maximize your effectiveness? 1. use only red pen for marking your mistakes.2. remember to look for mistakes you have made in the past.3. remember that, many times, teachers let small mistakes go.4. proofread backward, beginning from the end of the essay.5. look mostly at the introduction and conclusion.

Which word in the sentence is the object of the preposition ? scrape the dishes and put them in the sink 1)in 2)them 3)dishes 4)sink