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同学们都知道,“谢谢”是文明礼貌用语中再平常不过的一个词,但它经常挂在你的嘴边吗?我是班里的学习委员,每次我把一大摞沉重的作业整齐地放在老师办公桌上时,老师
My classmates know that “Thank you ” is a more common word in civilized polite language, but it often hangs on your lips? I was a member of my class, and every time I put a big pile of heavy Work neatly on the teacher’s desk when the teacher