Respuesta:
1) was
2) went
3) was
4) shared
5) became
6) went
7) attended
8) met
9) had
10) went
11) liked
12) was
13) had
14) returned
15) had
16) was
17) helped
18) didn't have
19) spent
20) went
21) saw
22) visited
23) saw
24) walked
25) was
26) went
27) visited
28) bought
29) prepared
30) arrived
31) felt