宇宙中充满了各种奇观。

The universe is full of ___wonders.

我想知道她为什么今天没来学校。

I ___wonder why she didn't come to school today.

孩子们看到烟花表演时，脸上充满了惊奇。

The children's faces were filled with ___wonder as they watched the fireworks display.