题目内容
【题目】Judy and Lily ________ good at ________.
A. are; singing B. are; sing C. is; singing D. is; sing
【答案】A
【解析】句意：朱迪和莉莉擅长唱歌。sing唱歌，；Judy and Lily丽丽，两人为复数，排除C、D, be good at doing擅长做某事，排除B,故答案为A.
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题目内容
【题目】Judy and Lily ________ good at ________.
A. are; singing B. are; sing C. is; singing D. is; sing
【答案】A
【解析】句意：朱迪和莉莉擅长唱歌。sing唱歌，；Judy and Lily丽丽，两人为复数，排除C、D, be good at doing擅长做某事，排除B,故答案为A.