Rewrite the sentences with WHEN or WHILE 1. I was combing my hair. My sister came in. (when)................ (while)................. 2. Murat painted the fence

Rewrite the sentences with "WHEN" or "WHILE"
1. I was combing my hair. My sister came in.
(when)................
(while).................
2. Murat painted the fences. Kubilay was planting some trees
(when).........
(while).........
3. tahsin was playing snowball. we saw him
(when)..........
(while)..........
4. my mother was having a rest. we came home
(when)...................
(while)...................
5. i was having an exam. The headmaster opened the door
(when).........
(while).............