这首曲子中有许多四分音符，使得节奏更加活泼。

The song contains many ___crotchets that make the rhythm lively.

这些钩子很小，适合挂轻巧的装饰品。

These small ___crotchets are perfect for hanging lightweight decorations.

她有个迷信的想法，认为蓝色袜子会带来好运。

She has a ___superstition that blue socks bring good luck.