题目内容：

on computer ,on the computer,in computer 的区别
they will study at home _____ computer.
1.on 2.in 3.on the

优质解答

they will study at home __A___ computer.（他们将会在家通过电脑学习）A.on B.in C.on the on computer 通过电脑...例句：My sister will study at school on computer.我的妹妹将会在学校通过电脑学习.on the co...