这里你应该用复数代词。
但指代不定代词的需用复数代词，物主代词及复数动词。
When you refer back to indefinite pronouns, you use plural pronouns or possessives, and a plural verb.
尽管米勒女士尽最大努力坚持使用第三人称复数代词，但她还是常常会说漏嘴，但是吉梭曼并不因此而感到困扰。
Although Ms. Miller tries her best to always use "they/them" pronouns, she often slips up, but Gieselman isn't bothered.
关于其语义特征，一些语言学家认为“-men”在人称代词后是复数标记。
Concerning the semantic formula of -men, some linguists posit that -men is a plural marker in pronouns.
在英语里，用户性别未知的时候，Facebook就会默认用复数形式人称代词“they”表达。
In English, when users fail to specify what gender they are, Facebook defaults to some form of the gender neutral, plural pronoun "they."
如果今天我提到自己时使用的是单数人称代词，那么下星期我就会使用复数形式。
If today I use a singular personal pronoun to refer to myself, next week I will use the plural form.
我注意到，讲中文的人经常把英文中的第三人称代词和集体名词单复数搞错（英文中的他和她不能互换）。
One of my observations is that Chinese speakers tend to have trouble with third-person pronouns (he and she aren't interchangeable in English) and collective plurals.
为了消除这个内在的偏见，我们采取的原则是尽可能使用复数的名词和代词，当绝对必须的时候，交替使用“他”和“她”。
To offset this built-in bias, we have adopted the policy of using plural nouns and pronouns whenever possible and, when absolutely necessary, alternating he and she.
而第一人称代词在两个语料库中出现的频率都很低，且出现时多呈复数形式。
First personal pronouns are rarely used in the two corpora, and if any, they are in the plural forms.
然而，如果它们的功能象形容词，那么复数指示代词和复数动词是能够接受的。
If they are functioning as adjectives, however, the plural demonstrative and plural verb should be acceptable.
关于人称代词，三个学科的摘要中都有使用，以复数第一人称为主，在金融学科中出现的频率最高。
Further, the personal pronoun that frequently occurred was the first person plural and those personal pronouns that exhibited the highest frequency were found in the Finance abstracts.
研究主要集中在以下几个方面：一、关于方言代词单、复数及其形式关系的探讨；
The focus are: (1) a relationship between the singular number and plural number form of dialect pronoun;
人称、物主代词单复数主要通过变调形成，指示代词有独特的合音形式。
In pronoun, the plural forms of pronoun are formed by the change of the tone, and the indicative pronouns have special form of the merging of two syllables.
关于其语义特征，吕叔湘（1947）、赵元任（1968）认为“-们”是集合标记，但在人称代词后是复数标记；
Concerning the semantic formula of -men, some linguists (Lu 1947, Chao 1968) posit that -men is a plural marker in pronouns but a collective marker otherwise.
关于其语义特征，吕叔湘（1947）、赵元任（1968）认为“-们”是集合标记，但在人称代词后是复数标记；
Concerning the semantic formula of -men, some linguists (Lu 1947, Chao 1968) posit that -men is a plural marker in pronouns but a collective marker otherwise.
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