阿摩線上測驗
127. The hotel housekeeping staff follows a rigorous cleaning_______ to ensure all rooms meet international hygiene standards.
(A) regimen
(B) regime
(C) region
(D) regiment
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統計： A(42), B(29), C(50), D(123), E(0) #3810349
統計： A(42), B(29), C(50), D(123), E(0) #3810349
