Answer
Объяснение:
Celia was driving to the airport, she realised that she had left her passport at home.
C During
2 I will have finished studying the film starts.
C by the time
3 The audience started clapping the singer came on stage.
A by the time.
4 Peter won't leave he has finished all his work.
A until
5 I haven't heard from him we finished school.
D since
6 Jane was working as a journalist she was writing her first book.
B while
7 My mother used to cry she heard this song.
C whenever
8 The police officer returned my driving licence he had checked it.
A just as
9 She burst out laughing she saw the clown.
A as soon as
10 we got back to the hotel, it was already dark.
C By the time
May I take a pen.