问题
选择题
He was ______ to find that it was almost impossible to undertake the task.
A．cast off
B．cast out
C．cast away
D．cast down
答案
答案：D
短语辨析。 A. 摆脱；抛弃 B. 驱逐 C. 丢掉 D.使沮丧；推翻。句意：发现几乎不可能承担这项任务让他很沮丧。故选D。
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