III
26 D The diversity of the national parks
27 B are a lot different from each other
28 D all are correct
29 B ruins
30 B Everglades Park has a cold climate
IV
31 don't permit
32 have lost
33 had just left
34 were attacked
35 wouldn't rain
V
1 mysterious
2 polluted
3 visitors
4 decision
5 constantly