题目内容：

The typical cases __________will be introduced to readers to warn them of potential risks.(cheat)
消费者被骗的典型事例将被介绍给读者以提醒他们潜在的风险.
where customers are cheated.请问这里能不能用同位语从句,为什么?谢谢（也就是用：that customers are cheated）