____twice,the postman refused to deliver our letters unless we chained our dog.a.having bitten b.being bitten c.bitten d.to be bitten我想问的是,为什麽不能选D,不定时的被动语态表示什么?

_________a postma at the door.选两个：A.There is B.There has Do you know the result ____your exam I read English books ____twice a week.空格应该填什么? don't you thick the book is worth ____twice?a.read b.reading c.reads d.to read ____twice ,the postman refused to deliver our letters unless we chained our A being bitten B Bitten CHaving bitten D To be bitten ____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用having been bitten对不对 英语翻译就这个This is the mail system at host smtp3-75.sinamail.sina.com.cn.I'm sorry to have to inform you that your message could notbe delivered to one or more recipients.It's attached below.For further assistance,please send mail to postma 高手帮忙看一下,这道题貌似选A,能从语法角度详细分析一下吗A chapter ____twice, the books were closed and the girls examined. [A]having been read through [B]had been read through [C]having read through [D]wer ____twice,the postman refused to deliver our letters unless we chained our dog.a.having bitten b.being bitten c.bitten d.to be bitten我想问的是,为什麽不能选D,不定时的被动语态表示什么? I read English ____twice a week这个句子,下划线处为什么要用about而不是for? 英语翻译翻译:1 每周我哥哥至少踢两次足球my brother plays soccer____ ____twice a week2 你明天有空吗______you____tomorrow? The the the The The The the the