我把拼图分成几块，这样更容易完成。

I separated the puzzle into several ___pieces to make it easier to complete.

她收藏了许多精美的古董首饰。

She has collected many exquisite antique ___pieces of jewelry.

她最喜欢的钢琴曲是莫扎特的一首作品。

Her favorite piano ___piece is one by Mozart.

我在口袋里找到一枚25美分的硬币。

I found a 25-cent ___piece in my pocket.

警察在行动前检查了他的配枪。

The officer checked his ___piece before the operation.