Mountain/hill/cliff/cave

Study the definitions and do the exercise.

A mountain is a very high area of land with steep sides.
A hill is an area of land that is higher than the land that surrounds it.
A cliff is a high area of land with a very steep side, especially one next to the sea.
A cave is a large hole in the side of a cliff or hill, or one that is under the ground.

1. Ben Nevis, in Scotland, is Britain’s highest ***.
2. That ***’s far too steep to cycle up.
3. Here the coastal *** are low, jutting out into the sea.
4. A narrow trail of blood led directly into the ***.
5. The track doesn’t go on to the shore, but goes along the top of some low *** above the beach.
6. She was crushed in a freak accident in a *** in France.
7. They loved to roam the *** of West Virginia
8. The *** were steep and dangerous.
9. If the *** will not come to Mohammed/Mahomet, Mohammed/Mahomet must go to the ***.
10. We trudged up the *** to the stadium.
11. She took me by the hand and led me into the ***.
12. They went walking and climbing in the ***.
13. Their house is on a *** overlooking the sea.
14. We fell asleep listening to the surf chisel away at the foot of the *** below.
15. A cart was making its way up the ***.
16. There was still snow on the *** tops.
17. There’s a steep *** ahead.
18. After lunch, he and Barnabas walked up the steep *** to Fernbank.
19. The birds breed mainly on sea *** and in sea ***.
20. The house is surrounded by woods, farmland and gentle ***.
21. Standing at the edge of the ***, we watched the waves crash on the shore far below.
22. The echoes of his scream sounded in the *** for several seconds.
23. The Matterhorn is one of the biggest *** in Europe.
24. Are you sure this car can make it up the next ***?
25. They were trapped in the *** for nineteen hours.

Note: the examples were taken from authentic English dictionaries.
(По материалам учебного пособия  Vocabulary for FCE.)