“有些时候文明只是十公分的宽度,有些时候只是一张纸的厚度。当我们把十公分的盲道让出来,当我们在椅子上垫一张纸……,每个人的一小步就构成了我们中国文明进步的一大步。”这段公益广告语意在说明,追求更高的道德目标重在
She promised that she could finish the work by ___________.
When our parents are not at home, we need to ______ ourselves.
The volunteers kept on searching for the missing people in the earthquake, _____they were hungry and tired.
--- Shall we take a bus to the library? --- It’s not far. I think we________ take a bus. Let’s walk there.
—When did you start to collect stamps? —I got my ______ stamp when I was ______ years old.