5) When I (arrive) it was clear she (work). There were papers all over the floor and books everywhere. 6) They (study) all day so when we (meet) they were exhausted. [.][.] 7) The boss (talk) to clients on Skype for hours so she

When I arrived, it was clear she had been working. There were papers all over the floor and books everywhere.They had been studying all day, so when we met, they were exhausted.

Объяснение:

Седьмое предложения полностью не написано, так что я не смог сделать его. Остальные предложения правильные. Отметьте как лучший ответ .