D because you test it before selling something. I hope is correct :D
Answer:
Bebo jugo de naranja. =( I drink an indefinite amount of orange juice.)
Bebo un jugo de naranja. = (I drink a glass / cup / bottle of orange juice.)
The word "un" changes the meaning of a sentence
Answer:
1. para
2.para
3. para
4. por
5. para
6. 7. 8. por
9. por
10. para
11. por
12. para
13. por
14. por
15. por
16. para
Explanation:
You just have to see which one makes most sense in spanish. Make sure to use the one that fits best, even if both fit.
