高等继续教育 / 旅游英语
正确率:100%
题型描述: 单选题
By 16:30, _ _ _ _ was almost closing time, nearly all the paintings had been sold.
A.that
B.when
C.what
D.which
By 16:30, _ _ _ _ was almost closing time, nearly all the paintings had been sold.
A.that
B.when
C.what
D.which
参考答案: