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。

Saturday is the day of a week.

Up to now, our society ________ with limited living space and a shortage of natural resources.

A person may have a good knowledge of one subject, ______ unable to get it over to an audience.

Which of the two T-shirts will you take—I’ll take . One is for my brother and the other is for myself.