I. Complete the second sentence so that it means the same as the first. Use modal verb.
1. I'm sure we're not late because we left on time.
---> We left on time so........ late
2. It's possible that tomorrow's match will be cancelled.
----> Tomorrow's match ............ cancelled.
3. Lunch was provided so it wasn't neccessary for them to take sandwiches ( need )
4. John isn't in Rome - I saw him earlier ( can't)
5. It would have been better if you'd listened to my advice (ought)
6. Why didn't you introduce me to your friends ? ( might)