Question

when or while
1-he was studying__the children__arrived
2-__mary was readin,i was listening to music
3-we knew it,she was out
4-students were playing__it stared to rain
5-__monica was eating her son was talking
6-jenny was resting__the phone son
7-Lucy was calling me__i was triying to buy it
8-__she got these,she realized she was wrong
9-michael saw you__you were in the supermarket

Answer 1

1 when

2. While

3.

4, when

5 while

6. When

7 when

8. When

9. When