四、连词成句。
1. high, and, covered with, mountains, are, rocks (.)
Mountains are high and covered with rocks.
2. long, runs through, mountains, the, and, river, is, very (.)
The river is very long and runs through mountains.
3. water, down, to, lakes, from, high, ground, rivers, carry (.)
Rivers carry water from high ground down to lakes.
4. cold, at, are, hot, during the day, but, night, deserts (.)
Deserts are hot during the day but cold at night.
5. landscape, what, it, a, is, beautiful(!)
What a beautiful landscape it is!