问题
选择题
21． More than one high official_____by the police since the mayor war shot dead.
A．has been questioned
B．have been questioned
C．was questioned
D．were questioned
答案
答案：A
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21． More than one high official_____by the police since the mayor war shot dead.
A．has been questioned
B．have been questioned
C．was questioned
D．were questioned
答案：A