阿摩線上測驗
8. It is good manners to dress formally at such an important international ____ where world leaders meet.
(A) conference
(B) cooperation
(C) circumstance
(D) compromise
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統計： A(334), B(90), C(61), D(27), E(0) #2068637
統計： A(334), B(90), C(61), D(27), E(0) #2068637
