单项选择题

We should be able to do the job for you quickly, ______ you give us all the necessary information.

A．in case
B．as if
C．or else
D．provided that
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单项选择题
Linda did not have time to go to the concert last night because she was busy ______ for her experiment.
A．to prepare
B．to be prepared
C．being prepared
D．preparing
单项选择题
He was stabbed with a bayonet by his enemy.
A．spade
B．rifle
C．dagger
D．spear
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