Is there anything wrong , Bob ? You look sad .     Oh ,nothing much . In fact , I      of my friends back home . 

 --- Jack, what about the lecture? --- It is the most inspiring lecture that I _________ since I came to this university.

 I ___ happy about the price of eggs.

The villagers _______ closing down the factory, but till now the local government hasn’t _______to it.

Some policemen were sent there to ________ the villagers ________ the trees.