I didn't know his telephone numberA.Had I known; would ring him upB.Should I know ;would have ring him upC.If I knew ;would ring him upD.Had I know; would have rung him up请问这道题的选项为什么是D?

相关推荐

• I didn't know his telephone numberA.Had I known; would ring him upB.Should I know ;would have ring him upC.If I knew ;would ring him upD.Had I know; would have rung him up请问这道题的选项为什么是D?
• 英语语法：虚拟语气I didn't know his telephone number.____ it,I ____ then.C.If I knew； would ring him upD.Had I known； would have rung him up请问C错在哪?是因为那个then吗?then在这里是作时间状语吗?
• 虚拟语气 i didn't know his telephone number.____ it,I ______ theni didn't know his telephone number.____ it,I ______ thenA.Had I known; would ring him upB.Should I know ;would have ring him upC.If I knew ;would ring him upD.Had I know; would have rung him up
• school,don't,to,again,late,come(.)连词成句
• We didn't know his telephone number, otherwise we ___ him.A. would have telephonedB. would telephoneC. must have telephonedD. had telephoned