Is he your uncle
Yes ,he is.
Is a baseball player?
Yes ,he is.一.做肯定和否定回答。He is my uncle He is a baseball playershe is a nurseHe is a doctorThey are my grandpa and grandma 帮帮忙，求求你了is he your uncle ?yes,he is .no,he isn't.is he a basketball player?yes ,he is .no he isn't.is she a doctor?yes ,she is.no,she isn't.Are they your grandpa and grandma?yes,they are no,they aren't.