Complete the sentences. 1)You (to sleep) when i (to come) home. 2) He( to read) on the sofa when I (to enter) the room.3)I (to walk) along the street with my friend when a tram (to pass).4)She (to look) out the window when i (to see) her.5)We (to answer) the teachers guestions when the head teacher (to enter) the classroom.
2) was reading, i entered
3) was walking, passed
4) was looking, saw
5) were answering, entered