Дуже потрібно!!!!!!! допоможіть будь ласка. даю 40 балів

They … (have lunch) when I … (arrive).

Ann … (burn) hear hand when she … (cook) the meal.

We … (have) a nice little talk when my phone … (ring).

Bill … (fall) asleep while he … (prepare) for History exam.

How fast … (you/drive) when the accident … (happen)?

Somebody … (enter) the house while I … (read) a book.

Whenever I … (visit) him, he … (work) on his project.

While we … (get) ready to go out, the rain suddenly … (stop).

I looked out of the window and … (see) that it … (rain).

They … (walk) along the street when they … (notice) their teacher.