What did they do yesterday? ask and answer. she/watch/)he /clean/his )he/wash/the )they/dance/at the party..

Did he clean his room yesterday? Yes, he did
Did she watch TV yesterday? Yes, she did/No, she didn't 
Did he wash the dishes yesterday? Yes, he did/No, he didn't 
)Did they dance at the party yesterday? Yes, they did/No, they didn't