单项选择题

Living in the central Australian desert has its problems, ______obtaining water is not the least.

A．of which
B．for what
C．as
D．whose
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单项选择题
The owner of the auto plant refused to raise the workers' wages, saying that it would ______the profit.
A．cut off
B．cut short
C．cut into
D．cut up
单项选择题
Do you want to see my driver's license or my passport Oh______.
A．either, does well
B．either one will do
C．each one is good
D．each will be finer
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