5. According to the official statistics, since the new law on helmets was ______, the number of people killed in motorcycle accidents has gone down.
(A) supplemented
(B) complimented
(C) complemented
(D) implemented

答案：登入後查看
統計： A(6), B(11), C(18), D(169), E(0) #2688291

詳解 (共 2 筆)

#4738494
(A) supplement 補充-to...
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#4683326
根據官方統計數據，自從有關安全帽的新法上...
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