在线名词解释大全
专业、全面、易懂的全领域名词百科

Directions:Choosetheonethatbestcompletesthefollowingsentences.Ididn’tknowhistelephonenumber.______it,thenI______.

题型:单选题
选项
A. A. Had I known; would ring him up
B. B. Should I know; would have rung him up
C. C. If I knew; would ring him up
D. D. Had I known; would have rung him up
正确答案:D