Part 1:1d ideal
2c tour
3b of
4d theatre
5c character
1c challenge
2a investigate
3b environment
4a carnivore
5c migrate
Part 2:1d endangers
2b destruction
3d span
4a tiny shelfish
5b in danger
6c a/the
7b the-the
8b the-the-the
9b bored/boring
10d astonished
III.Part 1:1b creatures
2c the
3a in
4b communicate
5a out
IV.Part 1:1 if she had a bicycle she wouldn't have to walk to school
2 if they behaved themselves well their parents would be happy about that
3 were I a rich businessman, I could afford to buy an expensive car
4. If my parents allowed me to go, I wouldn't have to stay at home
5. If she paid attention to her cooking, the food wouldn't be horrible