At this moment the bell rang, ________ the end of class.[ ]A. announced B. having announcedC. announ

题目简介

At this moment the bell rang, ________ the end of class.[ ]A. announced B. having announcedC. announ

题目详情

At this moment the bell rang, ________ the end of class.    
[     ]
A. announced          
B. having announced   
C. announcing    
D. to announce
题型:单选题难度:中档来源:同步题

答案

C

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