1. I (met/was meeting) a friend while I (did/was doing) the shopping.

• I met a friend while I was doing the shopping.

2. I (turned/was turning) round  and (saw/was seeing) Paula.

• I turned round and saw Paula.

3. She (wore/was wearing) a bright red coat when I saw her.

• She was wearing a bright red coat when I saw her.

4. I (paid/was paying) for my things when I (heard/was hearing) call my name.

• I was paying for my things when I heard my name.

5. We(left/was leaving) the cafe and (said/was saying) goodbye.

• We left the cafe and said goodbye.

6. This time last month we (took/were taking) the final test.

• This time last month we were taking the final test.

7. While we (had/were having) a drink, a waiter (dropped/was dropping) a pile of plates.

• While we were having a drink, a waiter dropped a pile of plates.

8. When I (came/was coming), he (read/was reading) books.

• When I came, he was reading books.

9. While my mother ( cook / was cooking ) , my father ( read/ was reading ) newspapers.

• While my mother was cooking, my father was reading newspapers.

10. My brother ( was playing / played ) video games when I ( came / was coming ) .

• My brother was playing video games when I came