问题
选择题
People have a special party______ the evening_______ October 31 to celebrate Halloween.
A．on, in
B．on, of
C．in, of
D．in, in
答案
B
题目分析: 句意：人们在10月31日晚上举行一个特殊的晚会庆祝万圣节前夕。on用在具体时间前，of表所属，故选B.
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