阿摩線上測驗
19. The availability of penicillin during World War II saved many lives that otherwise ________.
(A) would be lost
(B) would have been lost
(C) had lost
(D) had been lost
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統計： A(125), B(433), C(60), D(79), E(0) #2049206
統計： A(125), B(433), C(60), D(79), E(0) #2049206
