帮助陌生人通常被视为一种无私的行为。

Helping a stranger is often seen as a selfless ___act.

倾听这个简单的行为能带来很大的不同。

The simple ___act of listening can make a big difference.

原谅他人可能是一种困难但高尚的行为。

Forgiving someone can be a difficult but noble ___act.