It remains to be seen ____ he will solve the problem or not. A．that B．what C．which D．whether
2022-12-30 02:23:48 110次 2012-2013学年甘肃省高三第二次检测考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It remains to be seen ____ he will solve
the problem or not.
|
A．that
|
B．what
|
C．which
|
D．whether
|
本题链接：
