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Jugar Test
1. 
which battery / Do you know / should / buy / I ?
2. 
they / where / are / Can you tell me ?
3. 
when / you / Can you remember / it / last changed ?
4. 
it / Do you have any idea / how much / costs ?
5. 
why / isn't / I have no idea / working / it
6. 
last changed it / when / I don't know / I
7. 
two / I / if / I wonder / should / batteries / buy