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1. Wait a little, an interesting story (to tell) by my neighbor.
2. The train (to leave) at nine o'clock. We should hurry.
3. Kate (to train) for an hour.
4. A new president (to elect) every four years in the USA.
5. Jane (to send) Elisabeth many different letters.
6. Mary(to write) her test by the time the bell goes?
7. The activities of our company (to change) rapidly now.
8. Chocolate (to make) from cocoa.
9. Water (to boil) at 100 degrees.
10. My colleagues usually (to work) four days a week.