The A.(police) in this town B.(is) very C.(friendly) to people who came for a D.(visit).哪儿错了?为什么
问题描述：
The A.(police) in this town B.(is) very C.(friendly) to people who came for a D.(visit).哪儿错了?为什么
答
B
改为 are
the police 是集合名词,这里指这里的警察们,用复数谓语
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