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

When you ______ at the door, I ______ some washing.A、knocked; didB、was knowcking; didC、k

I think you hurt his pride by laughing at the way he speaks English.（英译中)

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

Where did you pass the vacation？（英译中)

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

Someone is knocking at the door.（英译中)