deliver letters for

deliver letters for 词组是deliver...to..还是deliver...for.. ____twice,the postman refused to deliver our letters unless Bitten twice,the Postman refused to deliver our letters unle letters/deliver/postman和另个要造句的Fuwa/love/people __twice,the postman refused to deliver our letters unless we ____twice ,the postman refused to deliver our letters unless ---------- twice,the postman refused to deliver our letters ___twice,the postman refused to deliver our letters unless w （ ）twice ,the Postman refused to deliver our letters unless ___twice ,the postman refuse to deliver our letters unless w a postman's job is ____(deliver)letters and paccels