Ex.2. Fill in the gaps, using Past Progressive.
ol. She (to play) computer games when her mother
came home.
o 2. They (to cross the street when the accident
happened.
03. The children (to do) their homework from 3 till 6
p.m.
04. She (play) the piano when you came in.
05. He (wait) for a bus for an hour.​