关于Thedoorbell的百科

• Thedoorbell

• 问题详情：Thedoorbell_______formorethanfiveminutes,butthere’snoanswer.    A.wasringing                   B.rang      C.hadbeenringing            D.hasbeenringing【回答】D知识点：现在完成进行时及其被动式题型：选择题...
• 2020-05-1132113