将以下句子中的语法错误指出并进行修正。
The boy, who is tall and very smart do his homework every day.
语法错误：动词 do 不应该使用单数形式（应该为 does），因为主语 the boy 是第三人称单数。

修正后的句子：The boy, who is tall and very smart, does his homework every day.