Ответ:
- Mrs. Harper screamed because her diamond necklace was gone.
- The six people were Mrs. Harper, her brother Tom, her friend Lucy, the waiter Paul, the gardener Ben, and the cook Anna.
- Detective Sam looked at the necklace box, the windows, and the door.
- Lucy was on the phone.
- Ben was outside watering the plants.
- He said, “I know who took the necklace.”
