What I do like to do on mine is find as many synonyms for smaller words to make them bigger. Make some sentences longer than others and make the paragraphs sound more like myself. When I do those steps i get better grades so I recommend you try them.
Let me know if this helps :)
Answer:
I waited for my friend until his arrival.
<span>"On average the cost is $50.00 per unit, however, many parents of young athletes say it is a small price to pay." </span>
Answer:
"The world will little note, nor long remember what we say here, but it can never forget what they did here." means: The speech may be forgotten but the soldiers' actions will always be remembered.
2. Problems in society.
4. Problems in the way of betterment.