A)complete the sentences.Use the past continuous
1.what_______(you/talk)about when I came in?
2.he didn't call you because his mobile phone _________(not/work)
3.they____(live) in Sydney when their first child was born
4.I'm sorry ___________(you/watch)that programme?
5.we______(walk)along the beach when we saw a snake
6.she_______(not/drive)when the car hit the tree.I was
7.it ________(snow)when they arrived in New York
b)write sentences with when.use the past simple and past continuous
2.The boys/fight/their father/come home
3.A dog/eat/my sandwich/I/sleep/in the park
4.We/study/in the library/the fire/start