2. You should dress up yourself on this formal __________. To show respect to the host, no slippers or casual
clothes are allowed.
(A) occasion
(B) portion
(C) identity
(D) appeal
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統計: A(321), B(66), C(81), D(26), E(0) #3157436
統計: A(321), B(66), C(81), D(26), E(0) #3157436