It is often ____ that human beings are naturally equipped to speak.
--- The couple _______ after 10 years’ marriage. --- What a pity. Their child may suffer a lot from this.
--- I need some fresh air, so I’m going out for a walk. --- _________.
—Shall I help you? —Sure. Such a difficult case is ______ I could handle myself.
Everyone likes to develop a close relationship ______ we trust each other.
Jack decided to risk looking for a place to stay where he arrived, rather than booking ______.