What makes you think there was salt in it? asked Poirot. 
What gives you the idea that it contained salt? asked Poirot.
What kind of salt should we add to it? asked Poirot.
I don't know where the clothes came from.
They are speaking with trust to the other person.
If an entrant was more efficient than the incumbent, the USO wouldn't lose profits.
Mean and heartless are words used by his enemies.
This is the first time rates have gone up for First Class Mail.
I told Joyce there was nothing there.