8 We ..... at home last night. - We ..... at the cinema with friends.

8. We were at home last night. - We weren't at the cinema with friends.

В данном предложении необходимо использовать форму глагола to be (быть) во множественном числе в прошедшем времени. Поскольку речь идет о "We", используем "were" и "weren't".

Ответ: We were at home last night. - We weren't at the cinema with friends.