2. When Etty heard that she won the Mathematic Olympiad, she called her parents.
jawaban: Hearing that she won the Mathematic Olympiad, Etty called her parents.
3. Because she had always been interested in sports, Tirta became a loyal supporter of the football team.
jawaban: Having always been interested in sports, Tirta became a loyal supporter of the football team.
4. Although he was hurt, Hasan managed to smile.
jawaban: Although being hurt, Hasan managed to smile.
5. Before he answered the phone, Tomi grabbed a pencil and notepad.
jawaban: Before answering the phone, Tomi grabbed a pencil and notepad.