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19. She will be able to understand you if you speak more slowly.
20. The robber was arrested by an off-duty policewoman.
21. I'll be here until 8.00.
22. You can stay two nights in a castle which is 600 years old.
23. I don't fancy going out this evening.
24. It's hasn't snowed here for six years.
25. We suspect the girl's father of murdering her.
