1 We defined the ship's position two days ago.
2. He always gets good marks.
3. My father is an engineer. He works on board cargo ship.
1. He plots the course on the charts.
2. At the age of seven I went to school.
3. We study in the college.
4. Wait for me!
5. What's wrong with you?
6. My girl-friend lives in this street.
7. Enter the room!
8. Don't follow his advice!
