John began to feel little beads of sweat going down the back of his neck. His words seemed to have had no visible _______ on the man. 

- Do you know ______ of them? - No, I only know, Mr johnson and Mrs Smith.

The lecture was so _____that we were all _____.

Prices reach equilibrium at the level at which quantity demanded ______ quantity supplied.

– May I have a word with you? I won't ______ much of your time.  – Sure.