When i decided to go back home,it got dark,and what w____,it

When i decided to go back home,it got dark,and what w____,it began to rain.
My classmates have v____do some work for the coming sports meeting.
It is our duty to take part in p____our environment.
The doctor took an X_____photograph just now.
I bought this little pot as a s____of Spain.
He p____watching cartoons to playing games.
December is the t____month of a year.
Mr.Li is one of the v____in the robbery.
He has been charged with b____into several computer systems over the last year.
They a____that they had found the murderer last week.