问题描述：
the machine can't work.这个句子的谓语是哪个?
这是一个主谓句,the machine 做主语,can't 做谓语,还是work做谓语,还是 can't work做谓语?
这是一个主谓句,the machine 做主语,can't 做谓语,还是work做谓语,还是 can't work做谓语?
问题解答：
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