16. My dear , where have you ___? I___ you everywhere .
He_____ articles for our wall-newspaper these years, and he____ about thirty articles.
The coasted areas have mild winters, but ____ the central plains become extremely cold.
In a way it was a(n)______ to know exactly what we were up against.
The programme was so exciting that the children kept their eyes____ on the screen.
-- What’s the matter with you? ---____ the window, my finger was cut unexpectedly.