Answer:
1. she doesn't have any tablet she wishes she could buy one.
2. He has got nobody to play with he wishes he have a sister/brother or a playmate to play with.
3. we must study this summer we whish we could have a vacation in next summer.
4.They cannot dance they wish they know how to dance.
5.It would be better if you stopped smoking, It's time for you to change.
Explanation:
what time in ur country?
I believe it is third person limited
For question 1, I believe it is B.
For question 2, I think it is B too.
I might get this wrong tho.