After he retired from office, Tim ________ painting for a while, but soon lost interest.

(2013·高考江西卷)He wrote a letter________he explained what had happened in the accident.

________ the girl is only nine, she cooks meals every day.

_______ the street, don’t forget to watch the traffic lights.

Must I go to medical school and be a doctor like you, Dad—No, you __________, son. You’re free to make your own decision.