學測指考詞彙考古題

全民英檢 | 學測/指考 | 國中會考

參考詞彙 初級中級中高級

When you enter a building, be sure to look behind you and hold the door open for someone coming through the same door. It is a common      in many cultures.

(A) operation
(B) acceptance
(C) courtesy
(D) process