Jack has had no______ experience of this kind of job，but he got the job offer just due to his honesty.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①他是一个心地善良的人，但性格懦弱、谨小慎微，做起事来总是 ，从来不敢越雷也一步。 ②当今世界科技突飞猛进，我们更要勇于开拓，不断进取，如果 ，就会落后甚至被时代潮流所淘汰。 ③想让中国传统戏曲焕发出新的生命力，决不能满足于现状， ，唯有创新才是弘扬戏曲文化的康庄大道。

How are you, Nancy—I’m not ______. And I can’t eat ______ every day.

Look! There are many people ______ in the lake.

Would you like to ______ us? We are going to _____ the school’s 20th anniversary celebration.