Not until liberation _ he free.A. was setB. that was setC. did setD. did was set

问题补充：

Not until liberation _ he free.

A. was, set

B. that, was set

C. did, set

D. did, was set

答案：

A. was, set

B. that, was set

C. did, set

(答案→)D. did, was set

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