Where did you pass the vacation？（英译中)

Did you come to London for the purpose of seeing your family, or for business purposes？（英译中)

Did you notice anything peculiar？（英译中)

Did you get the message the meeting has been postponed？（英译中)

Did you hear the knocks at the door？（英译中)

Did you see him yesterday？（英译中)

Did you enjoy my home cooking？（英译中)