Question

work in pairs: decide which is the correct tense. Past Simple or Past Continuous?
d)  We went/were going to the city. But on the way we heard/were hearing about a bomb scare. So we drove/were driving back home.
e) I walked/was walking in the street when I suddenly heard/was hearing someone call me.

Answer 1

d)We were going to the city. But on the way we heard about a bomb scare. So we drove back home. 
e)I was walking in the street when I suddenly heard someone call me.