如题所述
第1个回答 2011-12-01
I have plenty of problems in learning english. Firstly, I don’t know how to expand English vocabulary efficiently. Secondly, writing is also difficult for me.
字数限制……
字数限制……
第2个回答 2011-11-30
Sorry l don't know.
第3个回答 2011-11-20
en本回答被提问者采纳
