Choose the best option to complete the sentences using tough, though, thought an...

Questão de Inglês da banca Avança SP aplicada no concurso Prefeitura de Louveira SP (2020). Confira a resolução completa abaixo:

Choose the best option to complete the sentences using tough, though, thought and through:
5. We _____ it would be fun. 6. _____ I want to go, I really can’t leave right now. 7. I know life is _____, but we survive. 8. The group walked _____ the park.