be subject to 受…管★;★★★
...
(A) custom 習俗(B) customary 習慣上的(C) customer 顧客(D) customs 關稅
All parcels are subject to _______ clearance;
所有的包裹是受海關管制的
therefore, senders are requested to fill out these forms.
因此,寄送者被要求填好這些表格
(A) custom習俗、慣例(B) customary習慣上的(C) customer顧客(D) customs關稅
All parcels are subject to _______ clear..-阿摩線上測驗