Ответ:
1. we did not travel to the sea last summer with my granny
did we travel to the sea with my granny? with whom did we travel to the sea last summer?
2. we did not live at the sea side in a small house
did we live at the sea side in a small house? where did we live in a small house?
3. my mother didn't call me yesterday at 4 o'clock
when did my mother call me yesterday? who called me yesterday at 4 o'clock?
4. we didn't finish our work at 5 o'clock
when did we finish our work? what did we finish at 5 o'clock?
Объяснение: