... Jane (to be) in the office?- Yes she (to type) some documents since 9 o'clock.Скобки нужно разкрыть в Present Simple, Continuous, Perfect и Perfect Continuous.Дам балл
Ответ:
Is Jane in the office? (Present Simple)
Yes, she has been typing some documents since 9 o'clock. (Perfect Continuous)
1. Is
2. has been typing