Alice, you look puzzled, Have you understood it?—No．I _____another problem just now

依次填入下列各句划线处的成语，最恰当的一组是（ ）①他认为自己的贡献________，认为自己不配受如此隆重的褒奖。②我家的花虽多，但与公园皇的花相比，不过是______，不值一提。③虽然人体对某些元素的需要量___________,但如果缺少了它们，同样会影响健康。

Isn’t it time you _____ down to _______ your own things?— I’m sorry for the delay, Dad. [ ]

Man’s shopping can be and often is completed in five minutes，which is less than a quanrter ________。

Our bodies are strengthened by exercising_____, our minds are developed by learning [ ]