单项选择题

The price of oil is increasing, because it is in short ( ).

A．store
B．provision
C．reserve
D．supply
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The suggestion that the CEO ( ) the prizes is' welcomed by all.
A．would present
B．present
C．presents
D．ought to present
单项选择题
I have no objection to ( ) another sample.
A．send
B．have send
C．sending
D．having sent
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