X. Add tag questions to the following sentences.
1. Everyone can learn how to swim,
2. Nobody cheated in the exam,
3.
Nothing went wrong while I was gone,
I am invited,
4.
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5. This bridge is not very safe,
6. He has a bicycle,
7. Peter would like to come with us to the party,
8. Those aren't Fred's books,
?
9. You have never been to Paris,
10. Something is wrong with Jane today,
?
?
?
?