Many famous hospitals are competing _____ an excellent doctor, who came from the USA last week

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）梁启超说：人之生也，与忧思俱来，知其无可奈何，而安之若命。你们都知道我是感情最强烈的人，但经过若干时间后，总能拿出理性镇住它， 。这一点你们虽然不容易学到，但不可不努力学学。

. —Where did the couple find their child—It was in the park_________ the family used to camp.

Try to whobroke the window.

To keep healthy, Professor Johnson __________cycling as a regular form of exercise after he retired.