. If you try to learn too many things at a time, you may get _____________ .
After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.
.I found some old pictures at the back of my drawer which _____ memories of my childhood.
I like the colour of the cap ______ I dislike its design.
It is believed that _____ European scientist invented _______.
The shop has been standing so ______ that a thief finds nothing to steal.