Соединение по смыслу:
1. - с
2. - d
3. - a
4. - e
5. - f
6. - b
Сами предложения:
1. I dropped my bag while I was running for a bus.
2. I cut myself while I was shaving.
3. My car broke down while I was driving to work.
4. I saw a shark while I was swimming in the sea.
5. I broke a tooth while I was eating a sandwich.