根据拼音写出汉字。
chuō
dú
shèn
jiǒng
____穿
牛____
海市____楼
____然不同
诗歌《敕勒歌》中“天苍苍,野茫茫,风吹草低见牛羊”,描述的是以下哪个地形区的景色( )
His order is that all of us ____(get) there before 5 o'clock.