How do you know that she likes singing-I often hear herafterclass.

将下列语句依次填入文中的横线处，使上下文衔接最恰当的一项是( )阅读早己跳出了单指读纸质书的狭隘概念。曾几何时，上一轮的讨论还是围绕着纸质阅读和电子阅读的选择争论，____，____。 ，____。____，____。同时，纸质书和电子书相互促进效应明显，2017年上线的纸电同步图书销量是同期非纸电同步书的三倍多。①这早就不是一道“单选题”②纸质书和电子书基于介质的不同③例如此次亚马逊年度阅读盛典发布的电子书畅销榜中④阅读体验正在呈现出差异互补性⑤不少是《明朝那些事儿》《巨人的陨落》等不易携带的套装书⑥如今看来

_______ does your father go to work every day— He takes the subway.

I admire my English teacher. I can remember very few occasions ________ she stopped working because of ill health.

_____ should any money be given to a baby[ ]