11.   It was very pale and had no expression, as though expressions were surplus to requirements.

12.   On his face was an expression of absolute terror.

13.   On his face was an expression of deep sadness.

14.   Some expressions are more common in spoken English than in written English.

15.   Still, though, the expression is unyielding, the chin thrusting forward in defiance.

16.   The resulting expression is and multiplying out the right-hand side we obtain the required trigonometrical relations.

17.   There had been no expression of undying love on the angular face she had come to love.

18.   There was no expression on his face, just the blank skin facade of hunger and tiredness.