冠词的题,
问题描述：
冠词的题,
This is_pen and that is _bat
2.I have _uncle.His name is Peter
答
a a
an
a用于辅音字母前；an用于原因字母前I have_eraser.It's _white and orange 4.What's this in_English? It's_radioan a 4不填a