Answer:
1. Marilyn is to make several last-minute changes in the report in order to support her argument with the latest statistics.
2. He is rejecting every attempt at compromise and stormed from the room in anger.
3. Cramer´s criticisms were thoughtful for she never criticized their errors publicly.
4. Since the money paid for foreign oil comes back as deposits and investments, oil imports are self-financing.
5. By boosting price and income guarantees, Congress hopes to improve the lot of farmers.
6. The glider is sweeping noiselessly over the swaying treetops.
7. The senator retired from office because of the mounting gossip about his private life.
8. The new parts having arrived, the mechanics can repair the paving equipment.
9. first/introduction
10. limited/only
11. old/antiques
12. adding/additional
13. No redundancies
14. Passive
15. Active
16. Passive
17. Passive
18. Active
