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
I think we should save the endangered animals.—I agree ______ you. There aren’t many of them.[ ]
Teachers should ___them to continue studying when some students want to give it up.
Are you going to Beijing by ______ train?－No. I’m taking ______ car.
How many children have you got ? —Two , _______ of them are studying in the university.