Exercitiul 1.
2) had already closed
3) went
4) broke down
5) hadn't flown before
6) agreed to go on a date
7) haven't been there before
8) hadn't change
9) didn't laugh
Exercițiul 2
2) sat down
3) had met
4) wanted
5) had had
6) was talking
7) tried
8) rushed
9) were helping
10) closed
11) heard
12) had booked
13) telling me
Exercițiul 3
2) - a)
3) - c)
4) - c)
5) - c)
6) - a)
7) - b)
8) - a)
9) - b)
Exercițiul 4
2) created
3) is called
4) was called
5) was given
6) made
7) have been translated
8) have been made