Which option is correct ?
1.I lay / was lying on the beach when suddenly it started / was starting raining.
2.What did you do / were you doing when I called / was calling you at four o 'clock
this afternoon ?
3.The first time I was seeing / saw my boyfriend , he danced / was dancing at a party.
4.We were having / had lunch when the phone was ringing / rang.
5.It was a beautiful morning.I left / was leaving home to go to work.Suddenly the postman was knocking / knocked on the front door.
6.When my mother drove / was driving to work yesterday , she saw / was seeing her old friend from school.
7.Molly was breaking / broke her leg when she climbed / was climbing a tree.
8.Was Susan studying / Did Susan study yesterday at 8 p.m.?

1.I was lying on the beach when suddenly it started raining.

2.What were you doing when I called you at four o 'clock this afternoon ?

3.The first time I saw my boyfriend , he was dancing at a party.

4.We were having lunch when the phone rang.

5.It was a beautiful morning.I was leaving home to go to work.Suddenly the postman knocked on the front door.

6.When my mother was driving to work yesterday , she saw her old friend from school.

7.Molly broke her leg when she was climbing a tree.

8.Was Susan studying yesterday at 8 p.m.?

1.I was lying on the beach when suddenly it started raining.

2.What were you doing when I called you at four o 'clock  this afternoon ?

3.The first time I saw my boyfriend , he was dancing at a party.

4.We were having lunch when the phone rang.

5.It was a beautiful morning.I was leaving home to go to work.Suddenly the postman knocked on the front door.

6.When my mother was driving to work yesterday , she saw her old friend from school.

7.Molly broke her leg when she was climbing a tree.

8.Did Susan study yesterday at 8 p.m.?