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19. Can you arrange the time when we can have another discussion?
20. I've recently gone back to the town where I was born.
21. The airport where we are going to arrive is the most modern one.
22. Do you know the name of the hotel where John is staying?
23. I never forget the park where we met each other for the first time.
24. The manager who was introduced to the president is very young.
25. Alexander Fleming, who discovered.., received the Nobel Prize in 1945.
26. I do not know the reason why she left school.
27. I saw the man who closed the door.
28. The girl who won the race is happy.
29. The student who sits next to me is from China.