阿摩線上測驗
17. The relative size of an insect’s wing is much greater than ______.
(A) of a bird’s wing
(B) a wing of a bird is
(C) that of a bird’s wing
(D) that wing of a bird
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統計： A(12), B(11), C(130), D(18), E(0) #209288
統計： A(12), B(11), C(130), D(18), E(0) #209288
