摘要：5. 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 [答案]A 考查现在分词作状语 [点拨]此处表原因.并且the postman和bite的关系为被动

网址：http://m.1010jiajiao.com/timu_id_4053135[举报]