第1个回答 2011-07-08
Both my sister and I are allstudents本回答被提问者采纳
第2个回答 2011-07-08
My sister and I are all students.
第3个回答 2011-07-08
My sister and I are both students
第4个回答 2011-07-08
My sister and I are both students
第5个回答 2011-07-08
my sister and I are students