127. Passengers traveling on the express train are requested to _________ from using mobile phones in the quiet carriage.
(A) refrain
(B) restrict
(C) refuse
(D) reject

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統計： A(45), B(50), C(4), D(6), E(0) #3804485

詳解 (共 1 筆)

#7280217
refrain from + N / V...
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