should student be allowed to use facebook in their free time

问题描述:

should student be allowed to use facebook in their free time 改为主动句,怎么改?
1个回答 分类:英语 2014-11-11

问题解答:

我来补答
这些句子影藏了潜在主语,我觉得改为
should we allow student to use facebook in their free time?
 
 
展开全文阅读
剩余:2000
下一页:绘图