___twice,the postman refused to deliver our letters unless we chained our dog.being don不是也是动名词的被动形式吗?动名词的被动形式不是不表示正在进行的动作吗?那么他怎么和done的用法区别开来呢?都表被动

___twice ,the postman refuse to deliver our letters unless we chained our dog up.A Having bitten B Being bittenC Bitten D To be bitten 高考英语单选题：请您帮我解答下面的题,并说明原因,___twice,the postman refused to deliver our letters unless we chained our dog.A.Being bitten B.bitten C.having bitten D.to be bitten P.S.请解释选项A为什么不能. ___twice,the postman refused to deliver our letters unless we chained our dog.being don不是也是动名词的被动形式吗?动名词的被动形式不是不表示正在进行的动作吗?那么他怎么和done的用法区别开来呢?都表被动 postman are you 后面跟a postman还是the postman When I [] [] the house,the postman [].填空 Look at the postman in the street.Look at the postman in the street. As my father(leave)the house,the postman (arrive) Here() (come) the postman句子适当形式填空 If the postman is 1234567,Tom will be英语智力题, As we were watching TV,the postman arrived.求翻译 the postman sends letters every day变一般疑问句 The postman is thirsty and hungry (改为复数) the postman is Black (对后一个单词提问） The postman sends newpapers _____ me every day. Translate into Chinese:The postman comes every few days. the postman is Black 对后一个单词提问 翻译：the dog was a better postman then l was