他们很想在候德孙老师的班里取得好成绩。他们想尽办法来得到它。
John thought that he would get a good grade if he could keep on the good side of the teacher.
孙维德宣称：“北京的空气质量一直在改善。”
"The air quality in Beijing has been improving," Mr Sun declared.
孙维德宣称：“北京的空气质量一直在改善。”
"The air quality in Beijing has been improving," Mr Sun declared.
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