Ребят, помогите :) Open the brackets using Past Continuous or Past Simple. 1) When I...

Question

Ребят, помогите :)
Open the brackets using Past Continuous or Past Simple.
1) When I (come) home, my mother (cook) dinner.
2) Yesterday at 2"o"clock I (prepare) for my English test.

Answer 1

1) came, was cooking
2) was preparing