Your advice is ______great value to our work

依次填入下列各句横线处的成语，最恰当的一项是 ( ) ①那少年时的__________，在他的心灵里留下了多少难忘的记忆呵！ ②你在我青春的火焰中融化，在我轻涩的快意中沉沦，__________，须臾不离。 ③世界上只有两种可以称之为浪漫的情感：一种叫__________，另一种叫相忘于江湖。

___ help the people in thesnowstorm in the south made him worried

It is really difficult to ___ there few flats among so many people.

Although I can walk about, there is still a _____ pain in my leg.