This truck's engine runs on diesel ____.
She had to ____ the correct telephone number.
The _____ family lives in that palace.
David has been a _____ friend for many years.
The police managed to collate the evidence in time for the _____.
It is _____ for dessert to be eaten after the main course.
She was an expert in the field of ______ arts.
My morning ______ involves lots of coffee.
I followed the instructions in the ______.
The ______ results were unknown.
She was in ______ about losing her job.
There was a _______ increase in the average grades of the class.
I prefer _______ books to fiction.
He plays lots of _______ games .
Rubber is a flexible ________.