Many migrant workers, city life, wouldn’t like to move back to the countryside.

_______ was _______ who I met in the museum this morning.[ ]

What’s Alan Smith’s ________ name — It’s Alan.

the economic crisis came, John had sensed that the firm was to be ruined and he_____ just in time

依次填入下列横线处的词语，最恰当的一组是（ ）办公人员的座椅高度是非常有讲究的。专家___ ，许多人办公座椅的高度都存在一定问题，久坐会__ 疲劳感，并出现腰酸背痛的毛病。正确的做法是：首先根据工作性质把办公桌调整到一个__ 的高度，然后再依据自身情况来调整座椅的高度。