Sit on the edge of _____ bed _____ minute before putting your feet on the floor.
As it tuned out to be a small house party, we ____ so formally.
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear! She ______ a lot of difficulties!
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
There used to be a small school,___________?
The two strangers talked as if they ____ friends for years.A should be B would be C have been D had been