What’s the language inCanada

依次填入下列各句横线处的成语，最恰当的一组是（ ）①“灿鸿”过后，杭州西湖迎来纯净的落日和透明的夜晚，苏堤、白堤，保俶塔、雷峰塔，沐浴在瑰丽的黄昏和迷离的夜色中。“人间天堂”果然 ！②广大党员干部尤其是领导干部，既严以修身、严以用权、严以律己，又谋事要实、创业要实、做人要实，才能成为 的人民公仆。③及至事过境迁，文化传统或者与时俱进，演化出新的内容与形式；或者抱残守缺，化为 。

___everyone can hear the speaker, there is no _________ in turning up the radio

etao easily proved himself to be a rising star with four gold medals during the 17th Asian Games, ______was held in Incheon, South Korea last year.

The competition between the two restaurants was______