1．将来每张桌子上都将有一台电脑。
                                           a computer on every desk in the future.
2．他们将用电子邮件的方式把作业发给老师吗？
                they                           homework            the teachers by email?
3．学生会在电脑上与老师交谈。
    Students                                        their teachers on their computers．
4．老师将不再用粉笔在黑板上写字。
  The teachers                           on the blackboard             ______.