The teacher asked such a difficult question no one in the class could answer．A.t
来源：网络
时间：
推荐文章
The teacher asked such a difficult question ________ no one in the class could answer．
A.that
B.what
C.which
D.as
试题答案
D
The teacher asked such a difficult question ________ no one in the class could answer．
A.that
B.what
C.which
D.as
D