Yes, it is because a subjunctive mood can be a command and if you are telling someone to fix something, that is you giving them a command. So yes, fix that is a subjunctive mood.
Hope this helps! :)
The tone which is suitable to this excerpt is:
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</span><span>c. enthusiasm
</span>
The struggles of the speaker are described but the intense eagerness to conquer the challenge is the most highlighted. Climbing a steep hill is never easy but with determination and passion it becomes possible.
Mother Teressa was the epitome of love and caring. Hope this helped!
Specialize means that you are good at something and are and expert at