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be good at 意思是“擅长于……”，后跟名词、代词或动词ing形式。be 随着人称和时态的变化而变化。
如： He is good at English . 他擅长英语。 She is good at singing . 她擅长唱歌。 They are good at playing basketball . 他们擅长打篮球。 Jim was good at drawing when he was ten years old. 吉姆十岁时擅长画画。 Lily's favourite subject is maths and she is good at it . 李利最喜欢的科目是数学，她很擅长它。 |
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沙发#
发布于：2018-10-03 15:02
谢谢你的帮助
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