阿摩線上測驗
9 These parents failed to have their children immunized_____ diphtheria.
(A) for
(B) against
(C) toward
(D) over
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統計： A(26), B(102), C(12), D(14), E(0) #1133768
統計： A(26), B(102), C(12), D(14), E(0) #1133768
