tolong bantu jawab no 21-30.. diisi dengan simple past atau present perfect..

Kelas: SMA
Pelajaran: English
Kategori: past vs present perfect tense
Pembahasan:

21. There were a lot of accidents ......and there have been a lot ..... (the time signal is obvious)
22. My students didn't study......they have studied hard ......
23. When my niece was at school, she played for a handball team.
24. After I left school, I took a job in a library.
25. ....the last train left....
26. ...but I have decided that ....
27. Yesterday I lost my wallet.
28. We haven't spoken to your sister.....
29. When we reach the cinema, there hasn't been any tickets left.
30. ....it starts raining.