Are polluted
are cut down
is left
are demaged
are killed
are not put down
are not planted
are not taken
1. Who offered it?
2. What did he offer?
3. Did he or she offer it?
4. He offered it, didn't he?
1. is
2. am, are, are
3. have
4. have
5. had
6. will have to
7. was
8. are
9. were, had
10. is