leonardo da vinci the last supper

Poirot added the lettuce，thus setting the seal on the child'sbewilderment. He continued to drive the moral home. "At a cheap greengrocer's-not strawberries.A strawberry，unless freshpicked，is bound to exude juice.A banana-some apples-even a cabbage-butstrawberries-""It was the first thing I thought of，"I explained by way ofexcuse. "That is unworthy of your imagination，"returned Poirot sternly. He paused on the sidewalk. The house and shop on the right of Mrs Ascher's was empty.A "TO LET"signappeared in the windows.On the other side was a house with somewhat grimymuslin curtains. To this house Poirot betook himself and，there being no bell，executed aseries of sharp flourishes with the knocker. The door was opened after some delay by a very dirty child with a nosethat needed attention. "Good evening，"said Poirot."Is your mother within?" "Ay?"said the child.