22. Dr. Frank failed many times but he finally_______to find a successful way to solve the problem.
India has the second _______ population in the world.
Mary received ________ many postcards at Christmas.
The cake smells ______. Please throw it away.
--- What was the weather like yesterday? --- It was terrible. It rained so ________ that people could _______ go out.
The meeting will be held in half an hour, but they haven't got everything ready_____.