piece|pieces

她创作了一首优美的乐曲。

She composed a beautiful ___piece of music.

音乐会将演奏一首为弦乐四重奏创作的新作品。

The concert will feature a new ___piece for string quartet.

昨天的报纸上有一篇关于替代医学的有趣文章。

There was an interesting ___piece on alternative medicine in the newspaper yesterday.

传统上，将演奏施特劳斯剧目中最著名的作品。

Traditionally, the most famous ___pieces of the Strauss repertoire will be performed.

她把蛋糕切成了四块。

She cut the cake into four ___pieces.

盘子掉下来摔成了碎片。

The plate fell and shattered into ___pieces.