单项选择题X 纠错
A、have been taken place, have been set up
B、have taken place, have been set up
C、have been taken place, have been set up
D、were taken place, were set up
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单项选择题
A、didn’t study, would get
B、hadn’t studied, would get
C、didn’t study, didn’t get
D、hadn’t studied, wouldn’t get