1 We live on _ Earth.
2 Many people dream about traveling in _ space.
3 _ Russia is situated _ Europe and _ Asia.
4 There are 20 states in THE USA .
5 He is going to see THE Alps .
6 THE Volga flows into THE Caspian Sea.
4
When I came home, my mother was cooking dinner.
Yesterday at 2 o'clock I was preparing for my English test.