阿摩線上測驗
48. The tone of the letter is best described as ________.
(A) requiring
(B)pleasant
(C) inquiring
(D) polite
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統計： A(234), B(139), C(235), D(1000), E(0) #1967558
統計： A(234), B(139), C(235), D(1000), E(0) #1967558
