单词'dog'以辅音字母'd'开头。

The word 'dog' starts with the ___consonant 'd'.

一些语言的辅音音素比元音多。

Some languages have more ___consonant sounds than vowels.

在自然拼读中，孩子们学习识别每个辅音。

In phonics, children learn to identify each ___consonant.