短元音是像单词'cup'中的短音。

A short ___vowel is a short sound as in the word 'cup'.

长元音是像单词'shoe'中的长音。

A long ___vowel is a long sound as in the word 'shoe'.

在游戏中，他让学生选择一个元音或辅音。

In the game, he let the students choose a ___vowel or consonant.