I've never cared. I just accept the fact that what happens simply happens. If life for me goes one way or the other, I don't think about it, I just accept it. Doing the best you can if what really matters, and if that takes you somewhere, so be it.
For the HSC, there are so many other ways to...
Depends. You want to become a Chinese Lawyer or an Australian Lawyer?
On a serious note, since doing Law requires extensive amounts of communicating, I would suggest a high Band 5 or Band 6 in your chosen language.
Also, I'm assuming laywer when you say law?
Take a more relaxed attitude to your studies. You're still in Yr 11, so nothing major to worry about. Just focus on getting your mindset right for Year 12.