问题补充：
Recent pressure at work may his behavior.
A. stand for
B. leave for
C. pay for
D. account for
答案：
A. stand for
B. leave for
C. pay for
(答案→)D. account for
解析：考查词组辨析。stand for代表；leave for动身去；pay for付款；account for解释。句意：他的行为也许是最近的工作压力导致的。
1200字范文，内容丰富有趣，写作的好帮手！
