Complete the blank space with during or while appropriately.
(Lengkapilah kalimat berikut dengan during atau while dengan tepat.)

1. I met Prof. Jaka ____ we were on seminar.
2. I met Prof. Fuad ____ our seminar.
3. I met Tono ____ he was washing his Jaguar.
4. ____ we were in Kuningan, we stayed in one of the hotels in Sangkanurip.
5. ____ our stay in Bogor, I visited Irma three or four times.
6. The telephone rang seven times ____ I was taking a nap.
7. I had been away for fifteen years. ____ that time, many things in Bandung had changed.
8. What did the students say about me ____ I took a leave?
9. There’s a lot of interuptions ____ the address speech of the new chairman.
10. Please don’t interrupt ____ I am speaking.