Which beach are you going to?结尾为何要加to

问题描述:

Which beach are you going to?结尾为何要加to
那“Where are you going ”呢?
是以“which”提问的才加“to”吗?

因为go是不及物动词,接宾语时要用to (此句的宾语“which beach”已提到句首)