This drug is less likely to cause side effects when ________ late in the day.
. Mathematics ______ the language of science.
. The young ______ the vital forces in our society.
. Every man, woman and child ______ some history, enough at least, to survive in the world.
. None of them ______ my friends.
. Not only the whole nation, but the whole Europe , indeed the whole human society ______ to alter its attitude to racial problems.