My father is a doctor．He works _________．
A．in a hospital B．in hospital C. of the hospital D．at hospital
John, as well as his classmate, ______excited ______so many stars yesterday.
A. was, seeing B. are, seeing C. was, to see D. were, to see
The boy is lost. The police ______ him.
A. are searching B. is searching C. is searching for D. are searching for
He listened carefully, but heard ______.
A. something unusual B. nothing unusual
C. unusual something D. unusual nothing
This bag isn't mine. It's ______.
A. somebody else B. somebody else's C. else somebody's D. nobody else
Shanghai is one of ______ in the world.
A. the big city B. the biggest city C. a big city D. the biggest cities
