studying
我表哥在澳大利亚习惯了和他的新朋友一起学习.
be used to doing sth.习惯于做某事
区别：
used to do sth.习惯于做某事
I used to get up late,but now I am used to getting up early.
be used to do sth.被用来做某事
=be used for doing sth.
Stamps are used to post letters.
=Stamps are used for posting letters.