21.My grandfather has sent me _____ e-dog as my birthday present.何以见得，它是以元音音素发音的？那么又该以什么来判断的？选a还是an？

分类: 作业答案 • 2022-02-11 13:53:42

问题描述：

21.My grandfather has sent me _____ e-dog as my birthday present.
何以见得，它是以元音音素发音的？那么又该以什么来判断的？
选a还是an？

答