_________ this is the biggest mistake we have made.
Can you make sure ______ the gold ring?
Word came from Mr. Smith __________ he could arrive on the following Saturday.
---Do you think Peter is free today?---I don’t think so. Recently he has been ______ the most of his time to prepare for the final examinations.
The millionaires, ____, are not happy as most of us had thought.
He was seriously ill. That’s _______ he didn’t appear at the party.