问题
Miss Gao asked a question,but it was ___________that nobody could answer it.
A:a, an
B:an, a
C:a, a
D:an, an;
B:an, a
C:a, a
D:an, an;
正确答案是：
同类题型
Is this your necklace, Mary? I____ it when I was cleaning the bathroom this morning.
Kevin, you look worriedAnything wrong ? —Well, I _____ a test and I’m waiting for the result
Last year, I spent too much time ______video game and I decided to quit it.
She is popular among her classmates, ________ she can be annoying at times.[ ]