Помогите пожалуйста с домашкой!!!

1. Is there a picture on the wall? Where is the picture? The picture is on the wall, isn't it?
2. Does the lecture begin at nine o'clock? When does the lecture begin? The lecture begins at nine o'clock, isn't it?
3. Will they go to to the University on Monday? Where will they go on Monday? They will go to the University on Monday, won't they?
4. Does our teacher know several foreign languages? Who knows several foreign languages? Our teacher knows several foreign languages, isn't she?
5. Has he bought a ticket already? What has he bought? He has already bought a ticket, hasn't he?
6. Did they visit many countries? Who visited many countries? They visited many countries, didn't they?
7. are they working in the kitchen? Where are they working? They are working in the kitchen, aren't they?
8. Is dinner the largest meal during the day? What meal is the largest during the day? Dinner is the largest meal during the day, isn't it?
9. does he like oysters? what does he like? He likes oysters, doesn't he?
10. Did I hear about this film from my friend? Whom did I hear about this film from? I heard about this film from my friend, didn't I?