The old lady’s hand shook frequently. She explained to her doctor ________ this shaking had begun half a year before, and ________, only because of this, she had been forced to give up her job.

依次填入下列各句横线处的成语，最恰当的一组是（3分） （ ）①我真不解自家的弟兄何必这样___________，岂不是横竖都一样②就是族中亲派，不论亲疏，但与他财利交往，__________，一些情面也没有的。③凌雪春从夏侯晶婴手中借过纸笔，端坐在灯下，驰笔若飞，千言长书，__________。④勿因事小而不屑为，当知“万丈高楼从地起”，天下决无__________之事，亦未有一学即能之业，无不从一点一滴的知识经验积聚而成，若事小尚不能为，安见其能为大事

There are a number of methods to provide relief from your toothache, which can’t cure the problem.

I hear Joe has gone to MIT for his master degree.— How nice! Do you know when he

1It doesn’t matter so much whether he works hard；the question is whether he works ______.