Bantuin dong,makasih

1) had explained.
2) gave
3) went to
4) had rung
5) ran
6) had
7) had locked
8) went
9) learnt
10) said that
11) had been opeend
12) said
13) was prepared
14) was
15) had arrived
16) said that
17) had lost
18) had attended the
19) went