第1个回答 2013-01-13
" I wasn't aware of that I had been here before."
【公益慈善翻译团】真诚为你解答!
第2个回答 2013-01-13
I am not aware of ever having been here before.
第3个回答 2013-01-13
I am unaware of having been to here
或I am not aware of having been to here
第4个回答 2013-01-13
I wasn't aware of having been here before.
第5个回答 2013-01-13
I am not aware of having been here.