22.Stand by（to）means to be in ______ or prepared to execute an order, to be readily available.
(A)amended
(B)hand
(C)ability
(D)readiness

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統計： A(8), B(21), C(66), D(137), E(0) #646530

詳解 (共 1 筆)

#5790308
Stand by (to) 表示處於(D...
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