单项选择题

While discovering the cause of a serious illness, ______.

A．the patients should be taken good care of
B．the effective measures should be taken
C．the illness should be cured immediately
D．the doctor should give the patient good care

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单项选择题

But for my brother's help I ______ the work.

A．will not finish
B．would not have finished
C．would not finish
D．should not have finished

单项选择题

Have you any idea about the ______ of electrical energy into tight

A．consumption
B．transformation
C．distribution
D．demonstration