What do they do?（英文意思是什么?）

what do they do? what do they do they What do they do?（英文意思是什么?） what do they do?(工程师) what do they What do they what do they What do they need? what animals do they they/have/what/do/(?) what do they They shall do what they 英文句子回答 What did they do after races? what do they do at the party what do they want to do? Do you what they should do? what do they do on weekends What do they do?哪里错了?