The big flood has caused great       to the local economies in Heilongjiang Province.

_____ in a heavy rain, the teacher fell ill and couldn’t but ______ for a leave.

.He might have_____ his idea about the art at the exhibition much better if he had planned what he wanted to say.

I am trying to be the kind of boss that the workers will .       

At first, being scared, the bird fluttered about the cage, but finally it ________ in its new house.