Complete the sentence with the correct form of the adjective.
21. The Mississippi River is _________________ (long) river in the United States.
22. Canada is _________________ (big) the United States, but the United States has more people.
23. Cold, dark nights are _________________ (good) nights to see the Northern Lights.
24. Homes in big cities are often __________________________ (expensive) homes in small towns.
25. Machu Picchu in Peru is one of _________________________ (popular) places for people to visit.
26. Antelope Canyon is one of __________________________ (beautiful) caves in the world.
Read and complete the sentence.
Angel Falls is the highest waterfall in the world. It's almost 980m high. It's in Venezuela. It's in the largest national park in Venezuela. It's the third biggest park in the world. It was named Angel Falls because an American pilot, Jimmie Angel, was the first person to fly over the waterfall in 1933. At the bottom of the waterfall, there's an incredible jungle with a lot of plants and animals that live only in that area. Between December and April, there is not a lot of rain and the falls do not have a lot of water. The best time to visit is during the rainy months of May to November.
27. Angel Falls is a famous _____________.
28. It is _____________ than any other waterfall in the world.
29. To visit Angel Falls, you have to go to _____________.
30. Angel Falls is in a very big national _____________.
31. The waterfall is named after a _____________.
32. The _____________ at the bottom of the waterfall is incredible.
33. There are ______________________ that you can find only in that jungle.
34. Between _____________________________ is the best time to see the waterfalls.