tolong bantuannya kak , secepatnya ... Isi titik

1. I bought two good books, when Shinta offered me a Novel
3. We went to Nusa Dua Bali, when other students were in holiday
5. Shanti wrote a letter for him, when Andri called
7. I came home while my sister were watering the house plants
9. I sent him an email with the file as soon as I received the confirmation(?)

jadika jawaban terbaik yaa, makasih^^