She'd never seen (never/see) such a beautiful sunset before.
2.By the time we arrived, the movie had already started (already/start).
3.I have just finished (just/finish) my homework.
4.When we got to the airport, the plane had already taken off (already/take) off.
5.They'd never visited (never/visit) London before.
6.I'd lived (live) in this city for five years.
7.Before moving to New York, she has worked (work) in Los Angeles.
8.He's already read (already/read) the book, so he didn't want to watch the movie.
9.We had not seen (not/see) each other since last summer.
10.She has just called (just/call) to say she is coming.
11.By the time I reached the station, the train had left (leave).
12.I'd never been (never/be) to Japan before.
13.He's finished (finish) his work before the deadline.
14.We'd met (meet) before at a conference.
15.She'd cooked (cook) dinner before her guests arrived.
16.They've already bought (already/buy) the tickets for the concert.
17.The teacher hasn't checked (not/check) the assignments yet.
18.After I'd completed (complete) the project, I took a break.
19.He'd visited (visit) his grandmother three times this month.
20.Before the storm started, they'd closed (close) all the windows.
Ответ: See above