赞题库-背景图

单项选择题

We must ______ the usual customs of the local people and arrange accordingly.

A．assert
B．certain
C．allege
D．ascertain

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热门试题

单项选择题She is the ______ survivor of the air crash.

A．alone
B．unique
C．single
D．sole

单项选择题He ______ satisfaction from helping people in trouble.

A．derides
B．derives
C．deviates
D．detaches