
SB: He was sitting at his desk
2. SA: What were Jim and Robert doing?
SB: They were checking some reports
3. SA: What was Sarah doing?
SB: She was talking on the phone
4. SA: What were the directors doing?
SB: They were having a meeting
5. SA: What was Mary doing?
SB: She was working on the computer
6. SA: What was Kim doing?
SB: He was reading a letter