问题
选择题
Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.
A．must
B．should
C．might
D．shall
答案
答案：C
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Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.
A．must
B．should
C．might
D．shall
答案：C