The witness was expected to give the police a description of what had happened, but he was too scared to do any help.
A. special
B. particular
C. plex
D. especial
网友回答
A. special
(答案→)B. particular
C. plex
D. especial
解析：本题的含义是警察们期盼着目击者能够对发生的事做详细的描述，但目击者吓坏了而未能起到任何的帮助作用，particular表示详细的意思，故本题选B。