英语填空:They were waiting for a train ___(arrive) there.

问题描述:

英语填空:They were waiting for a train ___(arrive) there.

They were waiting for a train arriving(arrive) there.
用动名词句子中,这个arrive there是对train的修饰?还是说arrive there是等火车的目的?这边的arrive是修饰train的,因为火车是主动到达的,所以用ing形式表示主动