While we were listening to the speech attentively, a voice _____ to announce the result of the election.
A.broke in
B.broke up
C.broke off
D.broke down
答案:A
While we were listening to the speech attentively, a voice _____ to announce the result of the election.
A.broke in
B.broke up
C.broke off
D.broke down
答案:A