Put the verb into the correct form, present perfect or past simple.​

3. I studied German in school but I have forgotten most of it now.

4. The police has arrested three people, but later they let them go.

5. Do you think it has improved?

6. I finished with it.

7. I applied for a job as a tourist guide, but I wasn't successful.

8. It was outside the house, but it's not there now.

9. There has been an accident.

10. Have you heard about Ben? He broke his leg. Really? How did it happen? He fell off a ladder.

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