_________ I felt somewhat disappointed and was about to leave，something occurred which attracted my attention.

The surroundings of his house______ clean now

Running a company is not ______ a matter of hiringpeople — they also need to be trained

Last year I applied to Princeton University．I ____ they would say yes—but they did, and now here I am

依次填入下列各句横线处的成语，最恰当的一组是（ ）（1）母亲_________地起床做饭，心里欣喜地想，让儿子多睡一会，不要惊醒他。（2）凡事__________，以至前怕狼、后怕虎，缺乏敢说敢为的气质。（3）他似乎很满意我对机器操作的叙述，可是我却___________，因为我自己对那机器的了解实在不多。