Complete the questions: He hasn't locked the door, ....? They have jouned us,....? She hasn't finished reading,....?

He hasn\'t locked the door, has he? They have joined us, haven\'t they? She hasn\'t finished reading, has she? We have started text 5, haven\'t we? The children have helped their parents, haven\'t they? She hasn\'t danced a lot, has she? They haven\'t laughed, have they?