—Are you satisfied with the answer?—Not at all. It couldn't have been ______.
When I met him the other day, it was the first time we ____ each other since we were at school.
Your performance in the driving test didn’t reach the required standard, ____, you failed.
She ____ her husband three years ago, and soon ____ a man with a lot of money.
When you retell stories, you can ____ the unimportant details.
Animals that could not ____ themselves to the changed environment died and those that could survived.