Mr. Smith was so angry at all ______ Bill was doing ______ he left.

----Have you known Professor Jackson in our department for a long time ? ----Yes, since he _____ the our university.

As our country has realized the problem and taken some measures, the price of medicine has _______ and poor people can also afford good medicine.

 The days we look forward to ____at last. 

Nowhere else _____ be able to find a larger display of sea animals, including one of the largest collections of sharks in the world.