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I danced well yesterday.
He came home at 5.
We wrote a letter to a friend yesterday.
She did her homework.

1) i didn't dance well yesterdaydid i dance well yeasterday?2) he didn't come home at 5did he come home at 5?3) we didn't write a letter to a friend yesterdaydid we write a letter to a friend yesterday?4) she didn't do her homeworkdid she do her homework?