Английский язык 8 класс

Here are the tag questions for each sentence:

1. Jack is not a professional football player, is he?
2. They often travel to Lake Baikal, don't they?
3. That house is far from the lake, isn't it?
4. Maria was very happy yesterday, wasn't she?
5. We don't want to be late for classes, do we?
6. You must help your parents, mustn't you?
7. Tom's sister can't swim, can she?
8. This man has broken your vase, hasn't he?
9. Elephants are dangerous animals, aren't they?
10. I am your best friend, aren't I?