The scientist’s many years’ careful observation ____ a surprising discovery.

Do you know _______ they got to know each other —- It was last year_______ they both taughtChinese in Scotland.

We must apply what we have learned to our daily workbecause in no case_____ from practice.

How did you think of the job he did last week —–Well done ______

依次填入下列各句横线处的成语，最恰当的一组是（ ）①医疗质量是关系到病人生命安危的大事，救死扶伤是医务人员 的天职。②中国传统的严父慈母型的家庭关系，常令父亲们 地承担起教育子女的义务。③在全国比赛中屡获金奖的我省杂技团， 地承担了这次出国演出任务。