Respuesta:
Explicación:
1. The concert hasn't begun yet
2. We have waited New moon movie since last year.
3. Have you ever seen an UFO?
4. The weather reporter has announced a storm in our town since morning.
5. My computer hasn't worked properly some days too be repaired.
6. She has played tennis since she was 9 years old.
7. I have almost gone scuba diving.
8. My friends and I haveoften done our teamwork.
9.yet
