He ______ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.
You __________be tired—you’ve only been working for an hour.
Walking around, I found the city was full of people__________ for the festival.
We hadn’t planned to meet. We met ________ chance.
-----How do you like the plan? ------______.
We should try our best to ______ those people after the disaster.