在西班牙语中，数字四是cuatro。

The number four is ___cuatro in Spanish.

新四人组合将在下个月发行他们的首张专辑。

The new ___quatro will release its debut album next month.

她在音乐课上学习弹奏四弦琴。

She learned to play the ___quattro in her music class.