spirit|spirits

球员们有非常强的团队精神。

The players have a very strong team ___spirit.

我在老房子里看到了一个幽灵。

I saw a ___spirit in the old house.

我们应该学习他们的精神。

We should learn from their ___spirit.

我情绪高涨。

I am in high ___spirits.