选B
It 在句子中是形式主语,不是真正主语,真正主语是 to bring your camera bacause you may want to take photos of the autumn leaves
最好教原因 用语法 本人比较偏重于语法
选B
It 在句子中是形式主语,不是真正主语,真正主语是 to bring your camera bacause you may want to take photos of the autumn leaves