Tom,David and I are both students.这句话哪里错误

Tom,David and I are both students.这句话哪里有错误 Tom,David and I are both students.这句话哪里错误 Both Tom and I are students.改同一句 My sister and me are both students.这句话有错误么 Tom and I are ( ) students. Tom and David are both my good friends. David seems very ser 这文章讲什么?Tom and Fred are students.They are both twelve years Both Mary and Tom are students.（改为同义句） 1.Tom and jim both are good students I and Jim are new students.这句话错在哪里? Tom and Fred are students.They are both twelve years old,and you and me are both middle school students 这句话对么?