Scientists have to work hard to keep ________ with modern discoveries and developments.
We wanted to get home before dark, but it didn’t quite ________ as planned
It is certain that he will ______ his business to his son when he gets old.
He accidentally _______ he had quarreled with his wife and that he hadn’t been home for a couple of week.
We have to ________ the wheat as soon as possible because a storm is on the way.
Once a decision has been made, all of us should ______ it.