注意：此页面搜索的是所有试题
5.0
There are more than fifty proposals ____ at the conference.
A)
discussed
B)
to be discussed
C)
discussing
D)
having been discussed
There are more than fifty proposals ____ at the conference.
A)
discussed
B)
to be discussed
C)
discussing
D)
having been discussed
参考答案
