you are still a student,you---often play computer games a.should not b.could not选哪一个 为什么

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you are still a student,you---often play computer games a.should not b.could not选哪一个 为什么

you are still a student,you---often play computer games a.should not b.could not选哪一个 为什么
you are still a student,you---often play computer games a.should not b.could not
选哪一个 为什么

you are still a student,you---often play computer games a.should not b.could not选哪一个 为什么
选A.
Should not表示"不应该"
Could not 表示"不能,不允许"
"你仍是一名学生,不应该经常玩电脑游戏"

选A
A选项意为不应该
B选项意为不能

a. should not,表示不应该