Jawab titik-titik menggunakan while & when!1. ....... my father was cooking the dinner; my mother was preparing a salad.
2. I was reading a book, ....... when my friend arrived to my house.
3. ....... the teacher began the class; some students were not in the classroom.
4. I arrived to the school ......... all my friends were making the project.
5. ........ she was in high school she traveled a lot
6. I enjoyed riding bike .... i was in secondary school student.
7. ....... Sue was taking violin lesson she met an old friend.
8. My neighbors were having a picnic ...... it started to rain.
9. My sister was skating ....... i was riding bike.
10. ....... I checked my facebook the last time i had a lot of notifications. ​