When he was asked suddenly about the matter ,he couldn’t an answer at once.
A. e up with
B. look for
C. put up with
D. answer for
网友回答
A. e up with
B. look for
C. put up with
D. answer for
解析： 题意：当他突然被问及那事时，他不能立刻得出答案。e up with“得出答案” look for“寻找” put up with“提出” answer for“负责”