问题
Do you know the girl _______is singing in the classroom?
A:who
B:which
C:when
D:that
B:which
C:when
D:that
正确答案是：
同类题型
What do you often have ______ lunch at school?[ ]
When are you going to arrive there?—_____ the morning of January 17.[ ]
We were flying_______the clouds and saw the blue sky.[ ]
Teaching is _________ interesting work.
Oh, Mary! I ________ you.— No surprising. The first time you met me, I was only a little girl.