Задание такое:Complete the sentences. Use the past simple affirmative and negative

Задание такое:
Complete the sentences. Use the past simple affirmative and negative forms of be and can.
1)The weather................ wonderful, so we................ see the mountains 200 kilometeres away.
2)We........... go out because there............... a lot of snow. We played board games instead.
3)The shops.................. closed, so John............... buy any milk.
4)Alan................. get into his house because his parents..................... at home. He was very angry!