问题
选择题
—Mum, I will leave for tha party.
—Remember your .thank your friend when you leave the party.
A．action
B．polite
C．manner
D．manners
答案
答案：D
词义辨析题,四个选项分别表示行动、有礼貌的、礼貌和礼貌，根据题意选D，此处应是各种各样的礼貌问题，故用复数。
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