Rewrite these sentences using perfect participle clauses.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. After we listened to an introduction to the course, we asked some questions.
-> , we asked some questions.
2. He failed the university entrance exams, then he decided to train to become a car mechanic.
-> , he decided to train to become a car mechanic.
3. His brother had not studied hard enough, so he failed the exams.
-> , his brother failed the exams.
4. After I answered the job interview questions, I was asked to prepare a short presentation.
-> , I was asked to prepare a short presentation.