Identify the correct choice of word.
We must admit that the best players in the tournament are ____.
A.) They
B.) Their.
2.) Jen,___latest short story was published last week, is only 15 years old.
A.) Who
B.) Whose
The correct answer for 1 should be A) They. Even though it sounds odd, it is not incorrect and it is more correct than their because the right possessive pronoun should be "theirs"
For the second sentence there are no tricky questionable decisions and the correct answer is B. Whose.