依次填入下列横线处的词语，最恰当的一项是 （ ）①寂夜里， 飘渺的钟声，可以唤醒梦中之人，让一个沉沦在世间物象中太久的人，有醍醐灌顶之感。②最近一段时间国际油价持续走低，由于价格属性的变异等多重因素的影响，国际油价的走势还很难 。③曾经实行多年的“暂住证”正在 历史舞台，颇多政策含金量的“居住证”正在为人们所熟悉。

had finished my homework and________watch the Olympics when the power was cut off. [ ]

Dogs are our good friends as they can keep______ with us when we are lonely．

I’m going downtown.–Come on.

The dog had such to its master that it would not leave him, even when he was dead.