Question

помогите , пожалуйста не понимаю как делать. A. Mr Jones is the head of a firm. He has been away on a business trip for two weeks. Now he is back and wants to know what has been done while he was away. Imagine you are Mr Jones and find these things out.

Answer 1

Всё легко: Можно сказать "Ты оплатил счета?", а можно "Счета были оплачены?". Как раз по второму варианту и строятся предложения.
Have the bills been paid?
Have the letters been typed?
Have the articles been transleted?
Have exhibitions been visited?
Нas(единственное число, 3 лицо, он (he)) the computer been repaired?
Have the documents been copied?