根据提示完成句子(每空一词)
Either his parents ____ his brother____(walk) the dog(遛狗) after dinner.

“either...or...”意思为“或者……或者……”，这个结构可以连接两个独立的词、短语、甚至是独立的句子，当并列词或短语作主语时，需要遵循就近原则，所以后面的动词walk要根据邻近的主语“your brother”变为单三形式“walks”。

略