WHAT DOES PEOPLE ALWAYS DO DOES用得正确吗

WHAT DOES PEOPLE ALWAYS DO DOES用得正确吗 people后用do还是does?(说得详细点) 中文：What does always do on his birthday. what does anxious mean 还是what do anxious mean 正确? yes,people.是不是用do does what does Ann do What does tom do? WHAT DOES SHE DO what does peter do what does friday do what does she do? what does people do for saving the earth?