A number of key areas of the brain  ………. while we are sleeping.

Self-interest often takes precedence ............ ethical considerations.

Be ........ enough to

learn from your mistakes.

The movie star was  ……… by the police while passersby looked

on in amusement.

Most of them considered him to be the author, _______________, there were those convinced it was somebody else.

Philosophers were used to ______________ of the mind and the spirit as the same thing.

With that recording he managed to ……… opera

amongst TV audiences.

The …….......... principle of the company is that clients should

receive good service.

His major contribution to ……….

was to describe in detail the phenomenon of classic conditioning.

It _____________ so boring to perform the same thing every night.