Прошу, английский, 2 упражнение

1) Peter was staying... when he met his friend

2) While I was having lunch the sun came out again

3)Who you talking to...

4)While Mary was reading ... she noticed

5)She was going... when she saw

6)We sitted... the doorbell rang

7)Mary's grandfather hurt his back while he was digging...

8)While he was sleeping , the doctor arrived

9)What was she wearing when you saw her at the party

10)What was she wanting when she visited you yesterday

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