I.
1.
a. T
b. T
c. T
d. F
2.
a. one
b. Regular verbs, or irregular verbs, pr a page of prepositions
c. I learn by heart
d. Collocation
ii.
1. T
2. F
b.
3. We are destroying the Earth
4. Because we have cut down so many trees
5. Because we have killed too many
6. Yes, it is.