The problem yesterday afternoon is great
题型：选择题
问题：
The problem yesterday afternoon is great importance.[ ]
A.being discussed;for
B.discussed;of
C.to discuss;of
D.to be discussed;in
题型：选择题
The problem yesterday afternoon is great importance.[ ]
A.being discussed;for
B.discussed;of
C.to discuss;of
D.to be discussed;in
