Our research has focused on a drug which is so _____ as to be able to change brain chemistry. 

Unlike many other boys of his age who are often addicted to PC games, he is _______ on outdoor activities in the mountains.

Some experts argue that the reason why the price of houses can’t drop is that the supply is not ______ to the demand.

Don’t talk to Simon like that. He is just an _______ boy. 

He is expected to give us a _________ description of the football game that was broadcast _________ yesterday evening .