All you have to do is restate your topic sentence but in a different way and make your point more clear.
Answer:
Adult smoking rates had been dropping for more than 30 years before teenagers began reducing their rates.
Nestor and Menelaus welcome Telemachus, offering him food and rest without knowing his identity
The first one is the second choice...
The second one is the first choice I think
I think a. Because airport can't be capitalized <span />
