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