The answer is C. “Un” is a prefix, and “ed” is the tense.
Answer:
we cannot blow out that much of air in a single time .even though if we tried to blow out the shanhai instrument in many number of times for 5 to 6 hours then we can get some health hazards like feeling dizziness,vomiting ,pain in throat,anxiousness etc due to extreme pressure that we put to play that instrument by our mouth.
Explanation:
1. is aprender
2. is leo and escribo
3. is hago
4. is comen
5. is beben
6. is venden
7. is compartimos
8. is corren
9. is haces
I don’t know maybe u should at least and try to study or ask a friend