pay的過去分詞是什么

　　例句：

　　very worker will be entitled to four weeks' paid holiday a year.

　　每位工人每年都能享受4周的帶薪休假。

　　Interest is paid monthly. Three months' notice is required for withdrawals.

　　利息按月支付。提款須提前3個月通知銀行。

　　He paid for and was assigned a cabin in first class.

　　他付完錢后被安排到了頭等艙。