单项选择题

In Nigeria, rules have been handed down orally from generation to generation and now form the country's ______ law.

A．traditional
B．conventional
C．customary
D．conservative
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单项选择题
A ______ thing happened to me last night, which was quite amazing.
A．special
B．peculiar
C．notable
D．exceptional
单项选择题
In addition to the ______ contents displayed, you will be able to find updated information on recent events.
A．durable
B．enduring
C．permanent
D．solid
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