Choose the correct word combinations to complete the declarative sentences.

Choose the correct option.

Jason was very disappointed when [he heard|did he hear] the latest news.

I don't want to panic, but [it seems|seems it] to become a real catastrophe.

[Our neighbours have|Have our neighbours] recently bought a small house in Spain.

It was the hardest part of the competition, and [we were made|were made we] to solve really difficult maths tasks.