Use the verbs can and must in the correct forms:
1. Tomorrow I ... visit my aunt on the way home. She’s got a problem with her TV and she thinks I ... fix it. 2. You ... never leave this machine without attendance. 3. Sorry, I ... contact Mr Hill yesterday. 4. ... you give me a piece of advice? 5. They planned the meeting for Monday, but they ... postpone it. 6. It took him plenty of time but he ... restore the vandalized painting. 7. He is flying to Boston next week, so I think he ... fetch the parcel straight to the chief editor. 8. I’m sure he ... do it, he just didn’t want to help you.