问题
选择题
It was the second time that I_______of the changes of the timetable .
A．have been informed
B．had been informed
C．have informed
D．had informed
答案
答案：B
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It was the second time that I_______of the changes of the timetable .
A．have been informed
B．had been informed
C．have informed
D．had informed
答案：B