1.I’m sure it … be cold today.
may b) can c) will
2. My teacher says that I … become a famous violinist one day.
can’t b) might c) should
3. They always go to school together. They … be friends.
must b) won’t c) will
4. If you want to take part in the contest, you … practise a lot.
should b) could c) won’t
5. This boy … be from our school. I have never seen him before.
must b) may c) can’t