在电影院用at还是in

　　例句：

　　He started getting fresh in the cinema, so she slapped his face.

　　在电影院里，他开始对她不规矩，所以她打了他耳光。

　　In the cinema, some audience talk loudly on cell phones in front of others.

　　在电影院里许多人拿着手机在别人面前大声打电话。

　　I groped my way to a seat in the dark cinema.

　　我在黑暗的电影院里摸索着找一个座位。