问题
选择题
When he knew the disappointing result of the exam, he seemed quite_______
A．cast down
B．cast off
C．cast out
D．cast up
答案
答案：A
be cast down意思为“沮丧; 灰心”，与语境 the dispointing result of the exam 相吻合。cast off摆脱；放弃；cast off把……赶走；驱逐；cast off把……冲上岸。