E. Complete the sentences. Use your own ideas.
(Hoàn thành các câu sau. Sử dụng những ý tưởng của riêng bạn.)
1. I was learning English while ___________________________________.
2. I was ________________________ when the band started their first song.
3. She was traveling abroad when _________________________________.
4. They __________________ when one of them decided to leave the team.
5. We _____________ while Minh was preparing for his poster presentation.
1. my mother was cooking lunch
2. drinking beer
3. she had an accident
4. were dispersing the team
5. were looking for our project's information