问题
This is ____ orange book and that is ____ apple.
A:a , an
B:an , a
C:an , an
D:a , a
B:an , a
C:an , an
D:a , a
正确答案是：
同类题型
My sister likes playing ____volleyball while my brother likes playing ___ piano.
Our dining hall is always ________________ teachers and students at noon.
I can ride ________ bike but I can’t ride __________ horse.
I think ____ of the materials I listened to at the beginning of the exam ____ easy.
Excuse me, is this _________ new camera?—Yes, it’s ________.