Choose the correct alternative in each sentence.

1. Jim was breaking his leg while he was playing golf. 2. She was surfing when the shark attacked her. 3. While I was taking a shower, my cell phone rang. 4. Anna was calling Judy while she was reading a newspaper. 5. Someone was taking Peter’s bag while he was making a phone call. 6. Maria was walking home when a burglar was stealing her purse.