A decline in electricity output forces industrial estates and cities to burn more coal and give out more carbon to _________ the shortfall.
My first _______ of him was that he was a kind and thoughtful young man.
As he _______ , he was surprised to see that the man had disappeared.
Studies show that sunshine, fresh air, and plenty of rest often _______ a person’s recovery from sickness.
I, not you , _____ in the wrong. Not I but he _____been invited .
The population of China is larger than ______ of any other country in the world.