问题
选择题
Only when the war was over return home.
A．he was able to
B．was he able to
C．could he be able to
D．would he be able
答案
答案：B
考查倒装结构。本题考查Only + 状语从句 + 主谓倒装结构，be able to用其过去式，表示成功的做某事，故选B。
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