NO BOOK口语提高版 Lesson143:轨道
文本：
Lesson 35 Track
1. I'm sure we're on the right track.
2. She really has a good track record.
3. It's hard to keep track of all my friends.
4. I lost track of him.
5. Hey, man!Make tracks to the classroom.
6. We'll adopt the track system next semester.
7. Hey!You jumped the track.
8. He's good at both track and field.
