__________ this material can be used in our factory has not been studied yet.
A. Which
B. What
C. That
D. Whether
查看答案
The reason why I came back is______she would have been very angry if I hadn't.
A. that
B. because
C. for
D. that because
I don’t know ______ the day after tomorrow.
A. when does he come
B. how will he come
C. if he comes
D. whether he’ll come
以下三位学者均对王世贞说持否定观点,其中有一个不是,请选择( )
A.吴晗
B.鲁迅
C.朱星
D.郑振铎