The answer is <u>extraordinary</u> because out of all the other words, it it's more positive. Outlandish, strange, and unusual would put a negitive impact on the sentence.
<em>The aye-aye is one of the most </em><u><em>extraordinary</em></u><em> looking creatures on earth.</em>
In 2016 the NFL stated that "players are encouraged but not required to stand during the playing of the National Anthem"; its game operations manual reads that players "should stand" for the anthem.
