a 50 seat cinema为什么seat不加s

a 50 seat cinema为什么seat不加s here's a seat for you.为什么不用yourself. two cinema tickets 为什么cinema不用加s Arrive early at the cinema （）（）（）（）（确保）getting a seat. That's my().Please () here. A.seat,sit B.sit,sit C.sit,seat give seat to 与 give a seat to 在牛津英语教科书上有 He always gives seat to someone的说法 这里的seat为什么不加S或'A '呢?这是我弟弟课本上的原文.哎 Please have a seat.为什么要用a Have a seat,please. TAKE A SEAT have a seat中文 have a seat have a seat 是什么 take a seat 造句 take a seat Lily,here's a seat ,please sit down.----------.you can sit there0 - 离问题结束还有 14 天 23 小时Lily,here's a seat ,please sit down.（）you can sit there.Oh,thanks.A All right B No,thank you C You're welcome D That's all 说说为什么 pilot's seat什么意思 a quiet day's fishing,or eight hours in a cinema seeing the same film over and over again.请问see为什么加ing, from the back of the cinema came a child's voice as clear as a bell,i want to go home语序为什么这样写