The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
There are five pairs, but I'm at a loss which _____ to buy.
He suggested the person referred _______ put into prison.
She's too thin. She ____ gain some weight but she _____ too little.
He was not an actor, who often appeared on stage, _____ a writer, writing stories.
He transplanted the little tree to the garden _____ it was the best time for it.