阿摩線上測驗
20. It is impossible to achieve peace ____ every single action is taken with a possible future conflict in view.
(A) in order that
(B) as long as
(C) so that
(D) even though
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統計： A(3), B(14), C(0), D(13), E(0) #864378
統計： A(3), B(14), C(0), D(13), E(0) #864378
