题目内容：

when people talk about the cities in Auustralia,the first___comes into mind is Sydney
a:which b:/ c:that d:one选什么,为什么

优质解答

选择that 此题考查定于从句 当先行词有the+序数词修饰只用that that在从句中（that comes into mind）做主语 不可省略 the first （city） city省略了