【英语强人进】a couple of和a few of 修饰cinema tickets 用哪个?

a few 和 a couple of 的区别是什么? 英语.a couple of修饰可数还是不可数? 可以说a couple of couple? 英语习语got a couple of screws loose的意思还有这些：a few sandwiches sho couple用法 例句?couple of 后面的谓语用单还是复数?a couple of things 和a coup 用a couple of,a lot of,a little,a few,much,many,several写一段话 a pair of couple a couple of a couple of hours.. 关于a couple of .. in a couple of a couple of years