第1个回答 2008-04-15
I am a hard-working student
hard-working勤奋的!
hard-working应该加一个“-”符号
第2个回答 2008-04-15
I am a student learning efforts
第3个回答 2008-04-15
I am a sober student.
第4个回答 2008-04-15
I am a diligent student.
第5个回答 2008-04-15
I am a hardworking student.本回答被提问者采纳