求下面问题解释及over和beyond的区别.-Mom,i have finished all my home work.Could i go downstairs to play with other children?-Certainly,but don't remain out____ nine o'clock.A.through b.over c.before d.beyond (选d)

问题描述:

求下面问题解释及over和beyond的区别.
-Mom,i have finished all my home work.Could i go downstairs to play with other children?
-Certainly,but don't remain out____ nine o'clock.
A.through b.over c.before d.beyond (选d)