Mr. Wang wants to go to the post ____. It's not far from his home. He walks ____Winter Street. He turns ____at Spring Street. Then he walks straight. It's over there. It's ____the flower shop and the ____.

依次填入下列各句横线上的词语，恰当的一组是（    ）

①地质工作是地下情况的调查研究工作，往往在短时间内不能产生经济效益，容易被有些领导________。

②凡星期天参加本系统歌咏比赛的同志________调休一天。

③混凝土搅拌机和空气压缩机的吼声________山谷。