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2)
Where they export?
3)
For whom he bought it?
4)
With who they study?
5)
From whom this song?
6)
For what it?
7)
From what they made them?
8)
When they need it?
9)
From who she got a letter?

2) Where do they export to?3) Whom did he buy it for?4) Who do they study with?5) Whom (What rock group) is this song by?6) What is it for?7) What do they make them from?8) What day do they need it to?9) Whom did she get a letter from?