单项选择题

The new law will come into () on the day it is passed.

A．effect
B．use
C．service
D．existence

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单项选择题
The country's () is based on trade.

A．wealthy
B．wealth
C．possession
D．possessor
单项选择题
(), they set out to break the record for the crossing-channel swim.

A．Well equipped
B．Well equipping
C．Well equips
D．To equip
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