题目内容
【题目】The boy’s uncle is good at __________(train) dogs. His dogs can do many things.
【答案】training
【解析】
句意：这个男孩的叔叔擅长训练狗。他的狗能做很多事情。
短语be good at doing sth.擅长做某事。train动词，训练，这里用动名词training。根据题意，故答案为training。
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题目内容
【题目】The boy’s uncle is good at __________(train) dogs. His dogs can do many things.
【答案】training
【解析】
句意：这个男孩的叔叔擅长训练狗。他的狗能做很多事情。
短语be good at doing sth.擅长做某事。train动词，训练，这里用动名词training。根据题意，故答案为training。