Final answer:
The clauses in the given sentences are separated with the conjunctions 'and', 'that', 'but', and 'after'. Commas should be inserted or omitted based on whether two independent clauses are being connected. Understanding how to properly use commas and conjunctions is crucial for creating clear and grammatically correct sentences.
Step-by-step explanation:
In the given sentences, the clauses can be separated with the conjunctions as follows:
- The thief stole the money and he ran away.
- Mrs. Kamble told me that she was a doctor.
- Karan ran fast but he did not win the race.
- The traveler arrived at the station after the train had left.