Complete the sentences with the correct verbs

• Was able
• didn't need to
• had to
• didn't have to
• could.

1. My best friend
   [ ]
   visit the additional class, but he did it anyway.
2. Sue
   [ ]
   to swim when she was six.
3. Mum
   [ ]
   go to work on Sunday because her boss asked her to do so.
4. You
   [ ]
   hurt him! Luckily, everything is OK.
5. I
   [ ]
   phone her because I could write her.