冠词练习之不定冠词（a/an）练习
1._________ friend
2._________ elephant
3._________ eraser
4._________ boy
5._________ pencil
6._________ girl
7._________ book 8._________ pen 9._________ window 10._________door
冠词练习之不定冠词（a/an）练习
1._________ friend
2._________ elephant 4._________ eraser 4._________ boy
6._________ pencil 6._________ girl
8._________ book 8._________ pen
9._________ window 10._________door
冠词练习之不定冠词（a/an）练习
1._________ friend
2._________ elephant 5._________ eraser 4._________ boy
7._________ pencil 6._________ girl
9._________ book 8._________ pen 9._________ window 10._________door
冠词练习之不定冠词（a/an）练习
1._________ friend
2._________ elephant 6._________ eraser 4._________ boy
8._________ pencil 6._________ girl 10._________ book 8._________ pen 9._________ window 10._________door
