问题
选择题
---Bob looks upset. What has happened to him?
---Perhaps his failure to the exam___ his low spirits.
A．accounts for
B．looks for
C．makes for
D．takes for
答案
答案：A
动词短语辨析。A解释…原因，占据；B寻找；C有利于,朝…过去；D认为… 结合句意可知A正确。句意：他考试失败让他情绪低沉。