代词常用于指代已经提及的名词。

___Pronouns are often used to refer to a noun that has already been mentioned.

‘她’、‘它’和‘谁’都是代词的例子。

"She," "it" and "who" are all examples of ___pronouns.

在‘我喜欢狗’这个句子中，‘我’是一个代词。

In the sentence 'I love dogs,' the word 'I' is a ___pronoun.