It was on the last day a press conference was held by some mittee members.
A. where
B. that
C. when
D. how
网友回答
A. where
(答案→)B. that
C. when
D. how
解析：句意：一些委员会委员是在最后一天举行了一个新闻发布会。本题题干为强调句型，其结构是it be+被强调部分+ that+其他，判断强调句型的方法是去掉it be that整个句子是成立的；应用that。