世界上跨度最大的钢结构建筑——“鸟巢”(国家体育场)(见下图)和世界上首个基于“气泡理论”建造的多面体钢架结构建筑——“水立方”(国家游泳中心),已经成为北京城新的标志性建筑。这被称为
——It’s said that few people like the music. ——That’s true. It sounds _________.
He up very late in the morning ,but now he up very early.
___How time flies!It's already twelve o'clock. ___ Oh,really? I ______ it at all.
-- _______ the soldiers are very tried, __ they keep on working. --They are great. We must learn from them.
too much candy is bad your teeth . A. Eat ; to B. Eating ; to C. Eating ; for