8 класс. Enjoy English. Unit I. Progress Check

Макe all the changes and additions necessary to create sentences from the following sets of words and phrases. Be careful with grammar tenses (the Past Continuous and the Past Simple).
What / you / do / at 4 p.m. / yesterday?

• What you were doing at 4 p.m. yesterday?
• What were you doing at 4 p.m. yesterday?
• What did you do at 4 p.m. yesterday?