despite an agreement between labor and management to keep the print and electronic media (i)____ developments, the details of the negotiations were (ii)___ all but a few journalists from the major metropolitan newspapers
i: a abreast of ...这个我选对了也明白为什么
i: a. withheld from
b. undisclosed to
答案是a。我想知道为什么不能用undisclosed作者: 无敌浩克One 时间: 2015-7-14 20:17:02