СРОЧНО
III. Put the verbs in brackets into the correct form.
1) I lost my keys while I ... (walk) to school.
2) Who ... you ... (talk) to on the phone when I arrived?
3) I ... (do) my home assignment the whole evening yesterday.
4) The children ... (play) outside when someone shouted very loudly.
5) While the doctor was examining Mr Jones, his son ... (wait) outside.​