17. The new park (cover)
18. We (know)
19. I hope we (meet)
20. When the thermometer is below zero water
a very great area.
21. She (buy)
22. We (go)
23. A lift (take)
24. I am afraid it (be)
25. I'm sure they (understand)
the answer tomorrow.
him tonight.
her ticket the day after tomorrow.
for a long walk soon.
us to the top floor of the hotel.
quite impossible.
your problem.
(freeze)