Beijing is the 29th city __ holds the Olympic Games.请给权威解释,

题目

Beijing is the 29th city __ holds the Olympic Games.请给权威解释,
A.where
B.that

答案

that holds the olympic Games是一个定语从句,that是关系代词作从句的主语,that指代Beijing,不能省略
where是关系副词,它引导定语从句时,不能作从句的主语