Complete the sentences using the idioms provided.

1. Richard didn't answer when George asked how the officers knew about the smugglers. That set the alarm bells ringing. 2. When George found the gold, he was thrilled to bits. 3. George wanted to keep the gold, but Richard told him to leave well alone. 4. When Richard left after they had argued, George was not sorry to see the back of him. 5. George explained to his father what had happened. His father told him at the end of the day that he was a smuggler. 6. George and his men were caught red-handed by the customs officers. 7. George tried to make a clever escape, but Richard had the last laugh.