This is a longstanding problem with the transcription exercises, albeit one that seems to be being fixed. I recommend that after you compose your answer you switch to the word list to see whether it's 她，他，牠，它，or 祂.
Those mean two different things. The first refers to getting good employment (i.e. a high-paying job) the second refers to an individual task. Both are correct English. The first is the correct translation of the Chinese.