阿摩線上測驗
32. Buttons on the tails of a modern tail coat ______.
(A) were always purely ornamental
(B) were used to keep the horse’s tail out of the way
(C) are now only used by horsemen to stop their tails being harmed
(D) were once useful to horsemen
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統計： A(26), B(51), C(13), D(109), E(0) #938402
統計： A(26), B(51), C(13), D(109), E(0) #938402
