标题: prep语法一道 求教 [打印本页] 作者: orangerecord 时间: 2011-7-27 18:09 标题: prep语法一道 求教 One report concludes that many schools do not have, or likely to have, enough computers to use them effectively. (为神马选nor are they)
or nor or are nor are they nor are not作者: pumpkin223 时间: 2011-7-27 18:17
因为前面有do not,所以后面该用nor而不是or,排除AC