您的问题很简单.呵呵.百度知道很高兴帮助您解决您提出的问题.
原句：We are going to (see a film ) to night.
翻译：我们到晚上要去(看电影).
就划线部分see a film 提问：我们晚上要去干什么?：what are you going to do in the evening?
原句： You must leave (the big) chair for him.
翻译：你必须让他离开大的椅子.
就划线部分the big提问：我必须让他离开哪把椅子上?：Which chair must I leave for him?
百度知道永远给您最专业的英语翻译.