My four-year-old brother Kevin wanted to become a pilot. But one dark night he watched a plane ___MOVING___ across a clear sky. As it disappeared, he heaved a relieved sigh and said, “Whew! I’m not going to be a pilot!” ___SURPRISED___, Mom asked, “Why not?”
“Do you realize,” Kevin replied wisely, “how hard it would be to steer around all ___THOSE___ stars?”
What is the longest river in Europe?
The Volga River, which flows entirely within Russia, is the longest river in Europe. From its source in the hills northwest of Moscow, the Volga travels almost 2,300 miles (3,700 km) to the Caspian Sea. Much of Russia’s freight ___IS_CARRIED___ on barges on this river.
The Danube River is Europe’s ___SECOND___ longest, at almost 1,770 miles (2,860 km). The Danube passes through Austria, Slovakia, Hungary, Yugoslavia, Bulgaria, and Romania before it empties into the Black Sea.
The Danube River flows through ___MORE___ countries than any other river in the world.
What is the oldest subway system in the world?
London’s Underground, which opened in 1863, is the oldest subway system in the world. Despite the name, about 55% of the subway network is above ground. ___MORE___ than one billion passenger journeys were recorded in 2007. The ___BUSIEST___ station in the London Underground network is Victoria station, which serves about 78 million passengers a year. The tube map, with its schematic and colour-coded layout, ___IS_CONSIDERED___ a design classic.