1. She visited [Past Simple] her friends in New York last summer.
Did she visit her friends in New York last summer?
2. He was speaking [Past Continuous] to John, when I saw [Past Simple] him.
Was he speaking to John, when I saw him?
3. He spoke [Past Simple] to John about his work.
Did he speak to John about his work?
4. They were [Past Simple] in the office yesterday.
Were they in the office yesterday?
5. They were working [Past Continuous] in the office all day long.
Were they working in the office all day long?
6. They finished [Past Simple] the work an hour ago.
Did they finish the work an hour ago?
1. hadn't gone (уже ушел, т.к она скучает)
2. had taken (из всех вариантов конструкции I wish удовлетворяет только had taken)
3. brought (также удовлетворяет только brought)
4. hadn't bought (купил в , т.к рассказывают, что машина часто ломается)
1. was, were (в условных наклонениях во всех лицах предпочтительнее were, но was также не ошибка, более разговорный вариант)
Объяснение:
I wish/If only somebody did something - было бы потрясающе, если бы кто-то сделал что-то в настоящем/будущем
I wish/If only somebody had done something - было бы потрясающе, если бы кто-то сделал что-то в (но он не сделал)