Dau 55 de puncte !
Rewrite the sentences using the words given :
1. It isn't necessary to buy a ticket.(need)
2. I think that's John's car . (must)
3. I don't think he is her brother . (can't)
4. It's possible that he will win the race . (might)
5. Do you want me to open the window . (shall)
6. It's a good idea to stop eating fast-food . (should)