阿摩線上測驗
29. One would have weak muscle and bones if he or she _______ vitamin D in his or her diets.
(A) lacks
(B) lacks of
(C) is lack of
(D) is lacking of
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統計： A(85), B(102), C(44), D(18), E(0) #2297947
統計： A(85), B(102), C(44), D(18), E(0) #2297947
