The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
What a strange man! He loves his wife, but _____ he often beats her.
The problem was that it is ___ valuable ___everyday use.
But later people developed a way of printing, _____rocks.
____Mr Brown’s anger, it was his own son who didn’t agree ____him.
When he saw all his books _____ here and there on the floor, he knew that something terrible _____.