Thank you so so so much.
Ruthi,got it .Thank you very much,and if I have problems, can I ask you for help?
You can try looking at couchsurfing.org and wikitravel about where to visit.
dear Ruthi，It's my first time to go to Australia, so I should make a plan that I can stay there for two months.I have looked for hosts on the helpx.net,I have no idea now.
Spangola, thank you very much.